On the 4th wedding anniversary, the protagonist discovered something strange on his wife’s bra and suspected that she was having an extramarital affair. Thus, he secretly began to investigate. After “catching her red-handed” a few times, he discovered that it was all a misunderstanding. Yet, various signs of his wife cheating on him never ceased. On his journey to find out whether his wife really was cheating on him, the protagonist is exposed to all sorts of lust and desire between the sexes; be it partner swapping, clandestine love affairs, drug and rape, and even group sex. Faced with these temptations one after another, will our protagonist also wander to the point of no return?