A couple that has become sexless due to the husband's age. The wife, Makiko, is still young and full of unmet desires. To satisfy her, the husband decides to join a secret SM circle and begs them to 'please satisfy my wife.' Guided by the host, Makiko is bound, tormented, and penetrated, confusingly experiencing waves of pleasure while repeatedly reaching climax and screaming in front of her husband. The pain of the hemp ropes tightening around her body, the humiliating treatment like livestock… all the stimuli turn into joy, making Makiko's womb tremble, losing her self as a wife, and transforming into mere female. She mindlessly takes in the men's penises and thrusts her own hips. Watching her ecstatic, frenzied state, the husband also begins to realize his unknown sexual preferences…
