In the post-COVID world in Tokyo, Megumi is a single mother who works at a baby clothing store. Her beloved son, Shinpei went missing a year ago, and she has been looking for him desperately ever since. One day, a shady young man, Yuji approaches her, saying that he knows her son's whereabouts. Trying to find a lead, Megumi invites Yuji to stay with her. While trying to deceive Megumi, Yuji discovers a dark secret that is beyond his imagination.