The story of Sunny Night in Midsummer is that Xia Yat-sen is not the biological daughter of Chairman Xia, but adopted, but Xia Zhenglang considers the interests of the company and wants to take advantage of Xia Yat-sen, so Xia Zhenglang raises Xia Yat-sen..

Synopsis of Sunny Night in Midsummer: Xia Yat-sen is the daughter of the chairman of Hualang Group, and has suffered double betrayal of love and friendship. She was first framed by her best friend Lai Xue, and the only insider was Qiao Jinfan, the youngest member of the Qiao family. Mo Lingtian, a poor boy, fell in love with Yat Sen for three years. On the day of engagement, Lai Xue persuaded him to abandon Yat Sen, and joined Qiao's family under the double temptation of Lai Xue's feelings and interests, which fully exposed his ambition to take the upper position. Although my brother, Sun Yat-sen, was born in a harsh Xia family, he advocates freedom and has no interest in doing business. Qiao Jinfan is the sole heir of Qiao's Group. He is an ostentatious and bohemian playboy. He lives among all kinds of beautiful women all day, and his only hobby is to squander his father's property. When he knew that his father wanted to put Laixue, the illegitimate daughter of his old lover, in Qiao's house, he was determined to take a fight. After experiencing sinister business and family changes, Qiao Jinfan and Xia Yat-sen, who also don't believe in love, found true love in each other and gradually came together.