When Su Wan, the fake daughter of a wealthy family, prepared to marry Gu Mingzhe, the heir to the Gu family, for the sake of family marriage, she unexpectedly discovered that her fiancé had another heart for Bai Yueguang. A car accident caused her memory to become confused, and she mistakenly recognized Gu Mingzhe's brother-in-law Gu Cheng'an as her lover. The most powerful but mysterious man in the family started this dangerous "playing game" by making mistakes. As memories gradually return and the family conspiracy comes to light, Su Wan discovers that she is not only a fake daughter, but also a pawn in a revenge plan that spans two generations. And behind all the lies, the love hidden in Gu Chengan's deep eyes was her only truth.