Ban Ya is a successful young movie director and screenwriter. She also teaches at a university and hosts a TV show. However, she is haunted by insomnia, dark memories, and self-doubt. She then meets Sung Mun who tells her she deserves more credit than she gives herself. Meanwhile, Ji Sung, a famous writer, invites Ban Ya to stay at her place for a while.

Ji Sung discovers that Ban Ya is the woman that Sung Mun has been seeing. She refuses to let Sung Mun get the divorce he so desperately wants. However, Sung Mun is tormented by the thoughts of Moo Hyun's death and can't let go of what Ji Sung did to launch her writing career. Meanwhile, Ban Ya also discovers the connection between Sung Mun and Moo Hyun.