Sixteen-year-old Mio Perry's life is thrown into chaos when a mysterious new student, David, arrives, triggering a series of bizarre events. Haunted by a childhood wolf attack and the memory of a boy who saved her, Mio now experiences memory lapses, vivid dreams, and a seemingly impossible attack that leaves no physical trace. As she tries to unravel the connection between David, her dreams, and the strange occurrences, she questions her sanity and confronts the possibility of something supernatural at play.