Gao Chang, a Beijing-based musician at a low point in his career, is forced to return to his hometown of Pingtan after learning his mother, Jiang Weihua, caused an accident due to amnesia. The mother, once strict, is now fragile and stubborn, yet remains determined to lead the school choir. Moving from resistance to understanding, Gao Chang decides to help his mother reassemble the choir, and in the process, rediscovers the meaning of music and familial love.