Transferred to a new school as a rookie teacher, Hitomi Hayasaka becomes the target of a trap disguised as a welcome party planned by her students after class. A large group of students corner her, using her as an outlet for their sexual desires. Pupils infatuated with her conspire to kidnap and imprison her. The ringleader's twisted affection drives the story into deeper darkness. A shocking drama depicting the confinement of a female teacher, portrayed by Hitomi Hayasaka.