A couple's daily life is peaceful, but a growing distance has emerged in their sex life. Desperate to reawaken his wife's pleasure, the husband begins trying various methods. He arranges for her to be alone with younger men and watches her get taken from behind, hires a lewd male masseur to secretly perform erotic treatments, and pushes her into intense BDSM sessions she's never experienced before, deliberately triggering her deepest humiliation. In each scenario, the wife loses control in ways she never has before. Witnessing his wife climax at the hands of other men, the husband feels an unprecedented surge of arousal.