When novelist Hyun-soo moves to a new place, he is suddenly visited by a strange woman who says that she used to live there. Hyun-soo and Jeong-yoon discuss a movie Jeong-yoon plans to make, but this results in them breaking up and say their goodbyes. A stranger named Yoon-joo tells Hyun-soo a secret about his dead wife So-young, and he decides to go explore her past. Novelist Jeong-yoon goes to meet Yoon-joo, the person she based her novel on, in order to finish some business. They are all wandering, in her memories, in his novel and in their movies...