The look of ecstasy on the face of a married woman who must not be known to her husband! From her 30s to her 60s, she can't stop having extramarital sex no matter how old she is! The sexual desire of a wife that her husband doesn't know about! The secrets of their sex life! The relationship between a man and a woman who are not married, hidden away... a sticky, entangled sex life. Boldly exposed by a camera secretly set up in a hotel! The clash of uncontrollable sexual desires!