A lonely married woman named Chisato spent a solitary night at a certain bar. Accidentally encountering a black man there, she was hit on and enjoyed a one-night love affair. Later, after breaking up with her husband, Chisato visited the same bar again. There she found the previous black man and two more black men. Unaware of this, Chisato, unwillingly drank drugged alcohol and became semi-conscious...
