Xue Hai was a certifiable dork when he first arrived in Shanghai. After his schoolmate Bao Zhu saved him from bullying, she became his first love. Then, a misunderstanding caused them to lose contact when she moved back to Taiwan. He thought she dumped him. So he transformed himself from a dork to a hunk in order to seek revenge.
Taiwan’s wealthy son Xue Hai (also known as Da Lang) heads to Shanghai to study. When his classmates bully him, senior Bao Zhu lends a helping hand, and the 2 begin their first relationship. One day, Taiwan’s advertising firm comes to the school to hold a ‘Queen Sweetheart’ competition. Bao Zhu wins first place, and from then on, everyone calls her ‘sweetheart’. However, Sweetheart’s father suddenly goes bankrupt, and he abandons her and her mother. Sweetheart has no choice but to move back to Taiwan with her mother, and due to a misunderstanding, she loses contact with Da Lang.
After being abandoned, Da Lang turns into a playboy, until one day he sees her‘Sweetheart’s Time’ show on TV. Da Lang buys the TV station, and thus begins his revenge plan on Sweetheart. However, when he sees Sweetheart go on a date with another guy, Da Lang realizes that he is still deeply in love with her, hence he decides to pursue her again. At this time, Sweetheart’s mother discovers that Da Lang’s older sister was actually Sweetheart’s father’s first love, and hence she strongly opposes their relationship, and the 2’s love heads into turmoil.
