The wife went to the hospital to visit her husband, but he was fast asleep, resulting in the neighbor patient taking advantage of the situation to have an affair with the wife - that is the content of all 3 parts of the movie. It's hard to blame the husband as the neighbor patient in the next bed is too cunning and mischievous, he took advantage of the husband's deep sleep before making a move, not to mention the wife's sexual desire is equally serious. She is addicted to sex to the point that she accepts any advances and has relationships with them since her husband has been absent for a long time. Indeed, the lustful woman meets the lustful man, and they are truly a match made in heaven.