Ten years of being a substitute, a carefully woven lie. Shen Zhiyi woke up from a coma and found that her biological daughter called someone else 'mom', and her position had been occupied by her former nanny Lin Qiuping for ten years. When his daughter's piano music unexpectedly reveals old surveillance, the fig leaf of the wealthy family shatters. Mrs. Shen's silence, the lawyer's secret assistance, and her husband's betrayal all surfaced one by one. Two mothers and one daughter, who is the real mistress of the Shen family? That night when the truth was revealed, the whole family knelt down and begged for mercy, but Shen Zhiyi only asked Lin Qiuping: 'Have you ever loved my daughter?