In Sing a Song When Sad, Alyssa Chia plays Guan Liangpei as a psychopath who often makes crazy moves. Once I got sick in class and hurt my child, which caused quite a storm. The departure of first love was the fuse of Liangpei's illness and the main reason why she chose Fan Jing. ?

Wang, played by Huang Lei, can't believe that Liang Pei will be his wife. He was forced to face the fact that his wife Guan Liangpei was a psychopath. During the day, he is a teacher. In order to pay Liang Pei's medical expenses, he took a part-time job at night. Sometimes he has to go to the public security bureau or the street or a strange place to get his crazy wife back. The doctor advised the mental patient to have spiritual sustenance, so he gritted his teeth and bought a piano. People urged Fan Jing to send Liang Pei to a nursing home for long-term and regular treatment, but Fan Jing refused.

Introduction to the story of "Sing a song when you are sad"

Guan Liangpei (Alyssa Chia) suffers from mental illness because he was suddenly abandoned by his first lover (Shen Xiaohai). Wang (Huang Lei), who has always loved her deeply, not only marries her desperately, but also suffers from all kinds of emotional torture caused by her abnormal reaction because she misses her first lover.

Guan Liangpei's first lover reappeared, which made the restless life once again stir up waves. It was not until the end that she realized that the man who was silently waiting for her was what she should cherish most.