At the age of ten, Choi Yeonjun experienced an event that would alter the course of his life forever. The sole survivor or a terrible accident, Yeonjun was so traumatized by the event, that every night since, he has dreams of death. Haunted by his terrifying dreams, Yeonjun's life only gets worse once he realizes that the deaths he dreams of aren't simply nightmares but are actually glimpses into the future. Knowing when, where, and how the people around him are going to die, Yeonjun has spent the past ten years haunted by unspeakable horrors.