A frustrated married woman has to deal with her husband's frequent business trips. So she comes up with the idea of ​​turning her home into a boarding house and inviting young men in. Many men come to her boarding house, including innocent young students preparing for university entrance exams, students who look like they're from a cheering squad, and Black exchange students, and are all taken advantage of by the lustful woman.

Keiko Inagawa pays a visit to neurologist Aizawa about her fiancé Tatsuo Tamura. A mysterious case involving the disappearance of Tatsuo’s three brothers, one after the other, is yet to be resolved and now Tatsuo, seized with the idea that he too may disappear, has had a nervous breakdown. Aizawa suggests that Tatsuo recount his dreams as a means of solving the mystery, since human beings have an instinct that foretells the near future in the form of a dream. Keiko and Tatsuo eventually discover that the three disappearances have a strange connection…