It tells the story of Qin Ze's younger brother, who has a great talent for music since childhood. However, due to missing an important competition, he left a shadow in his heart and cannot sing on stage anymore. Super singer sister Qin Ya gave up to help his younger brother achieve his music dreamAs an actor, he worked hard to become a singer and helped his younger brother overcome psychological obstacles by exchanging identities. In the end, both siblings achieved their respective dreams.