As a child, Ye Xiaonuan was involved in a car accident that killed her mother instantly and left her with no memory, abducted by the perpetrator. Sixteen years later, she is raised by her enemies, unaware of her true identity. By chance, she encounters Ye Tian, her biological father whom she has forgotten, and he, not recognizing her, asks for her help in finding his lost daughter. Just when the truth is about to be uncovered, her foster family orchestrates a scheme where her sister takes her place.