The story takes place in a fairytale-like green forest. The beautiful and kind girl Sophie (played by Liu Pinyan) is the only daughter in a musical family and has always lived happily. The driver of the Su family was unfortunately killed in a car accident, and the Su family adopted his daughter Luo Shan (played by Song Ji Ai) and renamed her Susan as their own. Su Shan has low self-esteem and is so strong, not only has she always been jealous of everything Sophie was born with, but she also falls in love with Jin Owen (Ruan Jingtian), who has no suspicions with Sophie. At the Royal Academy of Music Spencer, Sophie meets Prince William Spencer (William Lei).　　When she grew up, Sophie became a teacher at Greenlight Elementary School, Susan became the artistic director of the Spencer Conservatory, William returned to China to inherit his father's Conservatory Spencer, and Owen returned to become a world-famous violinist. However, Spencer College wants to close the Green Light Primary School, and Sophie, who has a deep affection for the Green Light Primary School, fights to protect the Green Light......