Gao Feng (Nicholas Tse), who loves music, dreams of becoming a musician. His father passed away when he was young. He fell seriously ill due to excessive grief and lost his hearing after recovery. He suddenly became withdrawn. Later, he met Chen Jing (Karena Lam), who likes dancing. Chen Jing has a cheerful personality and is full of longing for life. But the good times didn't last long. Chen Jing died in a car accident. But in seven days, she will participate in the finals of a dance competition. She hopes to borrow Gao Feng's body to let her soul reside so that she can participate in the competition. Gao Feng agreed. Because he lent his body to Chen Jing, Gao Feng heard the music again, but he refused to play the music. The ghost wanted to take Chen Jing away, but Gao Feng vowed to save her. On the night of the finals, Jing fell down due to exhaustion when she came out to dance, and Gao Feng decided to play a song for her...