A group of sexy young nurses who work at a local hospital live in dormitory housing provided by the hospital. The hospital also provides the dorm's supervisor, a strict older nurse who runs the dorm with an iron fist. The nurses have to find "creative" ways to sneak their boyfriends into their rooms for some steamy sex sessions
Nami is a masochistic high school student who is attacked and almost raped by a gang of hoodlums before being rescued by handsome teacher Muraki. The near-miss triggers bizarre hallucinations in Nami, and she imagines herself engaged in various S&M situations with Muraki, in which she is beaten, forced to urinate, and tortured on the titular wooden horse. The hallucinations grow progressively more real (and exciting) to Nami, and soon Muraki is accused of raping her and loses his teaching position.
Junko Miyashita plays a mysterious hitchhiker picked up by a brute of a construction worker named Kenzo who takes her back to his run-down and cramped apartment in a not so good part of town. Claiming that she is running away from an abusive husband, she shacks up with him. In a futile attempt to escape the bleak working class surroundings, the pair engage in an obsessive erotic relationship.
