Three married women, Miki, Misa, and Sarina, are troubled by their sexless marriages. Their conversations revolve solely around sexual desires. However, on that day, Miki suggested, "Why don't we try cheating for once?" causing Misa and Sarina to waver. Although the two secretly have a lesbian relationship, Misa, who still craves men, cannot resist Miki's invitation, and Sarina is also swayed into having a relationship with the man introduced by Miki… After tasting the pleasure of a man for the first time in a while, the two are not satisfied with one-on-one sex and seek further ecstasy…
