The plot revolves around Catherine, a serial killer who seduces men and then murders them throughout countries in Europe. Catherine is trailed by the detective The "Eye" Beauvoir who fantasizes that she is his long-lost daughter and disposes of her trail of corpses to foil the police. Catherine has a real love affair with a blind architect  but The "Eye" 's jealousy causes the man's death. Catherine returns to her psychotic killing. As the police dragnet closes in, Catherine and The Eye have their final showdown.