The peculiar sexual proclivities of a middle-aged woman. What is the mystery hidden there? Reiko Kodama has peculiar sexual proclivities. It is that when she has sex with a man, she handcuffs herself. The trigger was the sex life with her husband who died two years ago. Since then, she has been obsessed with the charm of handcuff play. And now. In the city, there is the figure of Reiko, who takes men as customers to repay her debts...