Penelope Prentice leads a double life: a professional physiotherapist by day and a dominatrix to anyone seeking a unique psycho-sexual experience at other times. But now a sinister development arises out of the blue which brings her face-to-face with a ruthless criminal gang who brutally exploit her vulnerability.
Feeling unable to trust the conventional authorities, she can only rely on her friends and is slowly sinking into despair when a stranger arrives on the scene.