Sub-episode plot

Episode 1: Ah Chun and Sasa were both born into wealthy families and have been childhood sweethearts since childhood. Chun's father is renowned in the hotel management industry and wants his son to follow in his father's footsteps, but Chun has no interest in it. The virtuous Wan and the straightforward Dan are a pair of bosom friends who both love hotel management and aspire to make a success of their careers. In order to satisfy the requirements of her boyfriend, Barbara, Wan gives up the opportunity to go abroad for further studies and prepares to be a good wife and mother after marriage. Ah Dan is very sorry for her. Barbara had cheated with other women behind Awan's back several times, and although she was heartbroken to the core, she still endured it, hoping that Barbara would change her ways.

Episode 2: Misunderstandings often occur between Ah Chun and Shasha and they fight over it. The relationship between Ah Chun and his father is rather tense. Forced by his father's pressure, he is forced to go abroad to further his studies, and before he leaves, he invites Sasha to dinner and hides a diamond proposal ring in a chocolate cake, but he doesn't think that it will turn out to be a mistake, and unknowingly Sasha swallows the ring into her stomach, and she is admitted to the hospital. When A-Ban makes trouble again, A-Wan can't stand it any longer and resolves to leave A-Ban and go to Switzerland for further study with Ah-Dan.

Episode 3: In Switzerland, Wan and Adan meet three other Thai students: Kai, who is passionate and funny; Pai, who is cheerful and romantic; and Chun, who once gave Wan a hard time in a hotel. Chun doesn't like to socialize with others and is always on his own, so everyone is often worried about his safety and panicked to look for him everywhere. The life of the five Thai students in Switzerland is romantic and interesting, but there are also some conflicts from time to time. Ah Chun is indifferent to everyone's concern, while Ah Wan thinks that Ah Chun is insensitive and is quite resentful. The two people who have mutual preconceived notions of each other always run into each other and have a lot of fun.

Episode 4: In order to take revenge on Wan, Ah Chun sends a selfie CD to her from Thailand. Unaware of the truth, Ah Chun plays the CD openly in front of a few friends, causing Ah Wan to be so devastated that she runs to a tavern and gets drunk. Knowing that he has unintentionally hurt Awan, Chun feels very sorry inside and gathers courage to apologize to Awan. He encounters a drunken and drowsy Wan in the hallway, helps her back to her room, wipes away her tears and apologizes profusely.

Episode 5: Dan is outraged that Wan has been hurt and has been looking for a chance to get back at Chun. In the western food internship class, Ah Wan and Ah Chun were assigned to a group and both of them became partners with mixed feelings. Sasha has been befriending other boyfriends behind Ah Chun's back, even though she knows in her heart of hearts that once she and Ah Chun break up, both families will suffer huge losses in terms of financial interests. Sasha and Chun's affair was exposed when they dated singer Anon. Anon was so jealous that he couldn't allow Sasha to have second thoughts about him and asked a friend to help him publish news and photos of Sasha's love triangle in an entertainment magazine.

Episode 6: Dan learns that Chun is allergic to chocolate and deliberately puts chocolate in his meal to get back at Chun, not realizing that he almost caused a big trouble. In order to salvage her relationship with Ah Chun, Sasa announces via a transatlantic phone call that she and Anon have broken up completely. Chun is devastated by the news of the love triangle, and with a chocolate allergy that almost didn't kill him, he is in a very low mood.

Episode 7: Wan has changed her mind about Chun since she accepted his apology. One day, she overheard Chun standing on the roof of a tall building and mistook him for a man who couldn't think straight, so she recklessly rushed up to the roof of the building to enlighten him and encourage him to start a new life again, and the two young men and women who had been hurt by their love for each other developed a fondness for each other. Pai often pursues girls of different personalities, but never thought of marrying them. On the contrary, he is surrounded by the cheerful and honest Adan, who is righteous and quite a boyish character, which gives him a fresh feeling.

Episode 8: Awan and Ah Chun sparked their love for each other. Ah Chun assembled a beautiful airplane and gave it to Awan, and Ah Chun made white chocolates that he is not allergic to, and the two of them are full of happy visions for their future lives. The school organizes an outing for the students who are about to finish their studies. Chun and Wan do not attend the outing due to different reasons, but they meet each other at the amusement park. The two were so excited that they had a great time on the snowy mountain, but they were delayed on the cable car ride down the mountain.

Episode 9: Wan and Chun help each other down the mountain, and after walking for two hours realize they are lost. They have no choice but to spend the night on the cold mountain. A few good friends lost Awan and Ah Chun and anxiously searched around. Ah Chun and Ah Wan found an uninhabited cabin on the mountain. Ah Wan was freezing and hungry, and her body was a bit weak, so Ah Chun took good care of her. Wan is very touched and they fall in love. Ah Dan was anxious and restless to find Wan. The next morning, when she saw Wan and Chun returning together, she was even more worried.

Episode 10: Adan strongly opposes Awan and Chun's relationship and reminds Awan to be careful of being hurt by an irresponsible man again. Sasha is afraid of losing Ah Chun and suddenly flies to the Swiss school to publicly announce that she is Ah Chun's longtime girlfriend. Sasha's appearance y pierces Ah Wan's heart, and her two successive breakups make her swear that she will never fall in love with a man again in her life. Sasha keeps bragging in front of everyone about her and Chun's family history and threatens Wan to stop her from continuing her relationship with Chun, which Chun knows nothing about.

Episode 11: Awan returns to Thailand in a very depressed mood. Ao Nok, who has always had a crush on her, is attentive and caring to her. Ah Chun's love for Ah Wan is unwavering and he realizes that his emotions with Sasa are not love. In spite of Adan's opposition and Sasha's obstruction, he often goes to the hotel where Awan works to drink coffee, tries to get close to Awan by all means in an attempt to rekindle the fire of his former love, and even plays and sings a self-written song to express his deep love for Awan in the hotel's restaurant. In order to help Awan get rid of her sadness, Arnold took the initiative to ask a few people to go to an amusement park to play.

Episode 12: Wan reveals to Pai that she loves Chun, not Arnold, who takes good care of her. Pai, who has had numerous love experiences, finally picks Adan as the most suitable for him and takes the initiative to confess his love to Adan. Adan feels that Pai comes from a wealthy family and is unmotivated and idle. The two have a big fight over this and part ways. After Ah Chun returned to China, his father was pleased to find a great change in him.

Episode 13: In order to drive Wan away, Shasha manages to get photos of Wan and Chun getting close, attaching insulting captions and faxing them in large numbers to the hotel management's office. She even hires someone to post the photos around, threatening Awan to break off her relationship with Chun completely. Unable to cope, Awan is forced to resign and leave the hotel. Dan fights for Awan, offending his boss and getting fired as well. Awan's birthday coincides with the Chinese Valentine's Day on July 7th. Ah Chun takes the opportunity to talk about the origin of Chinese Valentine's Day on a radio program and expresses his longing for Ah Wan.

Episode 14: Chun is frustrated when he fails to see Wan even after waiting all day in the park to see her and say happy birthday to her. Arnold uses his savings to purchase various equipment and prepares to open a chocolate food store to give to Awan as a birthday gift. Auntie Rong, who owns a food store in Switzerland, has returned home for an operation because she has been checked for breast cancer, and she once formed a deep friendship with five foreign students in Switzerland.

Episode 15: Barbara wants to resume her romantic relationship with Awan, but when she is rejected, he takes advantage of his drunkenness to pick a fight, and smashes the chocolate food store that Arnold and Awan are in the process of preparing. Ah Chun is disappointed to learn that Ah Wan has moved upstairs to Arnold's house and is going to run a chocolate food store with him. Ah Pai launches a love attack on Ah Dan and the two soon fall in love and get married.

Episode 16: Auntie Rong is very strong-willed despite her serious condition. She doesn't want to let people around her worry and grieve about her, and she doesn't tell anyone about her condition except her best friend Bora. On the day of the wedding of Pai and Adan, she dresses up and comes to attend the event. On the wedding day, Chun finds Wan and accuses her of cheating on her. Awan was exceptionally angry and smashed Chun's head with a vase. Although Chun is not optimistic about his relationship with Sasha, Sasha is still actively fundraising. Her only worry was that Chun and Wan had not completely broken up. Pai and Adan decided to go to Hua Hin beach for their honeymoon after their wedding.

Episode 17: Auntie Rong suggests an outing together, knowing that her condition is serious and that she won't have many chances to spend time with her friends in the future. Wan is surprised to find out that she is pregnant with Chun's child, and wants to use the opportunity of traveling to tell Chun the news, but several attempts have been made, all of which have been misplaced, and she has not been able to find the right opportunity.

Episode 18: Though still y in love with Awan in his heart, Chun mistakenly thinks that Awan has already started a new life with Arnold, and has to make up his mind to forget the past and marry Sasa, whom he does not love. Auntie Rong unintentionally learns of Awan's pregnancy while she is being treated in the hospital, and before she dies, she leaves a letter to Awan, advising her that she should tell the father of her child truthfully about all this.

Episode 19: Ah Chun unintentionally found the letter written by Auntie Rong to Ah Wan, but unfortunately, most of the letter was burnt and only the last sentence was left, he was baffled and more than anything, he wanted to know what exactly Ah Wan was hiding from him. Awan's chocolate store is about to open, and it so happens that the opening ceremony is on the same day as Chun and Sasa's engagement ceremony. In order to find out the truth, Chun finds Wan again and begs her not to hide anything from him anymore. Sasha knows that Chun can't forget Wan, and in her anger, she smashes Wan's store and injures her.

Episode 20: A Wan is admitted to the hospital, and from the doctor's mouth, everyone finally knows that A Wan is pregnant. Chun decides that this is the thing that A Wan has been hiding from him, while A Wan tells him that the baby is hers and Ah Nuo's. Chun is greatly stimulated and suddenly makes a 360-degree turn, determined to make his and Sasa's wedding the most perfect, luxurious and memorable one. He also uniquely proposes to order a batch of two connected heart-shaped chocolates as wedding candies.

Episode 21: The more Ah Nuo treats Ah Wan, the more Ah Wan feels sorry for him and wants to leave Ah Nuo several times. Arnold can't bear to watch Awan wallow in pain and decides to tell Chun the truth about the baby. Sasa comes to Awan's chocolate store and asks to order wedding candies. Although Awan is sad, she endures the pain and rushes out beautiful sweetheart chocolates for them overnight. When Awan was making the delivery, she happened to meet Chun, who was about to become the groom.

Episode 22 (Grand Finale): Chun meets Wan unexpectedly and realizes in his heart that his old feelings for her are unforgettable. Extraordinarily desperate, he resolutely eats chocolate, and an allergic reaction causes him to faint. The wedding with Sasa is canceled and Chun decides to go abroad to work for a while to forget the pain of his love. Wan gives birth to a healthy boy and names him Coco. Four years later, Arnold, who had been taking care of Wan and Coco, passed away due to illness. When Ah Chun returns from abroad, he meets Coco in the park, who claims to be allergic to chocolate, and realizes that Coco is his own flesh and blood, and the three of them finally live happily ever after. ......

(End of episode)