This article tells the story of a girl, Mo Yu, who fell in love with Ling Chen, a gangster, in her second year of high school. Because of Mo Yu, Ling Chen gradually got rid of the shadows in his life, and his academic performance gradually improved. However, at this time, the playboy brother Yan Nan also fell in love with Mo Yu. Yan Nan used tricks to destroy Ling Chen. Ling Chen broke up with Mo Yu on a rainy night because he had low self-esteem and didn't want to hurt Mo Yu. Later, Mo Yu's mother also got cancer. In order to save her mother's life, Mo Yu agreed to Yan Nan, but Yan Nan still refused to change his true character as a playboy...