A female teacher Marina who has an affair with a colleague teacher. Two people who indulge in dangerous adultery sex in the classroom after school. The janitor who was watching it threatens Marina with an electric massage machine and a vibrator. Although she dislikes the dirty janitor, she feels it at some point. In addition, he colludes with bad students and violates Marina. A violent orgy in a late-night classroom... The sex of a woman who gradually turns into a female.
