During a night shift, nurse Mai Kazama is left alone at the hospital when suddenly attacked by a masked assailant, tied down on an operating table, and subjected to relentless assault. Despite enduring the terror and violence, she soon learns of an even more horrifying fate awaiting her. Mai is sold off as a private nurse to a wealthy, sickly young boy who treats her as his personal plaything. Her body and dignity are utterly destroyed as she is forced to serve him, enduring extreme humiliation, bondage, and brutal sexual abuse in a cruel and degrading ordeal.