My Love Eun Dong

Eun Ho, a famous South Korean actor, has spent 20 years searching for his first love, Eun Dong, who vanished after their brief teenage friendship. They reunite a decade later and start dating, but she disappears again. Another ten years pass, and Eun Ho, now a star, writes a book to find her. Meanwhile, Eun Dong, living under a new identity after losing her memories in a tragic accident, is hired to ghostwrite his book. As she works on it, she uncovers secrets that begin to unravel her past.

Synopsis: MyDramaList