Music maestro Su Qing and her nanny Qin Minyue's daughters were accidentally switched at birth due to a nurse's mistake. Faced with the enormous medical expenses for her biological daughter, Xu Xiaowan, Qin Minyue decided to cover up the error and raise Su Qing's daughter, An Xinyue, as her own. As An Xinyue grew older, she and Su Qing bonded over their shared musical talent. However, Qin Minyue, in a bid to help Xu Xiaowan, stole An Xinyue's work for a competition. To cover up her actions, Qin Minyue framed An Xinyue, but her guilt led her to consider revealing the truth. Yet, Xu Xiaowan threatened Qin Minyue to keep the secret. In the end, Qin Minyue confessed, and Su Qing was reunited with her daughter, An Xinyue.
