The Substitute is the White Moonlight

Willow Vance and Ethan Stone were childhood sweethearts, but the second female lead has always been secretly in love with Ethan Stone. After an accident, everyone thought Willow Vance had died, but she was rescued but lost most of her memory, only knowing about the orphanage and focusing on investigating. At this time, the second female lead has plastic surgery to look like Willow Vance and approaches Ethan Stone. In the process, she meets the current Willow Vance, because her face is in the recovery period, and reaches an agreement with Willow Vance to let her accompany Ethan Stone first until her face recovers. In the process, Ethan Stone slowly realizes that she is the real Willow Vance, but the second female lead has a strong desire for revenge and kidnaps Ethan Stone. When saving him, they remember each other and escape, and after expressing their feelings, they get married.