Yukio Kasai Sometani Shota is running through the mountains to escape something when suddenly he is accidentally hit and knocked unconscious The man driving is Shigeru a single father who lives nearby in a small rural fishing town Shigeru then offers Yukio a strange proposal whilst he recovers he can help repair a boat Yukio is however haunted by nightmares and just when he starts to feel comfortable his tragic past catches up to him with dire results