Ren Guang Xi has the world at his fingertips. A successful lawyer and heir to a very successful family business, he also is engaged to the beautiful pediatrician He Yi Qian. But his perfect life experiences a little detour when a strange forgotten memory results in him punching a client after successfully defending him against rape charges. Sentenced to 240 hours of community service, Guang Xi goes to a rural village and befriends Liang Mu Cheng and her young son, Xiao Le. Because of brain surgery Guang Xi had six years ago, he has no recollection of his past life with Mu Cheng and the fact that they were madly in love until his mother forced Mu Cheng to leave him after he lost his memory. Can a moving piano concerto stir up the lost memories of Guang Xi’s love for Mu Cheng and reveal the true identity of her son?