Cycle

Trama

Neurologist Sejin encounters Lee Taesoo, a man who miraculously survived a severe accident with a steel pipe impaled in his head. Recognizing Taesoo as an ideal research subject, Sejin saves him. However, Taesoo is afflicted with amnesia and requests Sejin's assistance in recovering his lost memories. As Sejin observes Taesoo's unusually rapid healing, peculiar events begin to occur, initiating a chain of unforeseen circumstances.