Fu Yuan, a violin teacher, is invited by Yin Huai to teach his daughter, Yin Jiarou, for an upcoming competition. With less than a month to prepare, Fu Yuan is caught between her duties and the family grudge—Yin Huai’s actions fifteen years ago caused Fu Yuan’s parents to suffer. Yin Jiarou resents Fu Yuan, relying on her biological mother instead. As old conflicts resurface, Fu Yuan must navigate a tangled web of tension and past betrayals.