A gang of vicious thieves and rapists invades the isolated summer home of a wealthy but morally corrupt family.

The lovely Ryoko is attending a Japanese University on an exchange program. She’s pretty, vulnerable, shy and full of mysterious secrets. Meeting up with her long-time friend Rumiko, Ryoko shuns her aggressive lesbian advances by saying she’s still a virgin. Rumiko is surprised at this revelation and, over the next few days, she takes Ryoko on a series of misadventures to help her with her sexual awakening...

Yuki returns to her hometown after several years. She has been away ever since the tragic events surrounding her abusive older husband. While in town she barely escapes the sexual advances of an old friend and accidentally comes across a scene that repels and excites her. Through an open doorway she spies a woman bound with rope. Thus begins her descent into the world of submission and pleasure.