Anna: A married woman × a career woman. Date: An elite office worker × his wife. "I'm lonely because I'm alone even when I go home." A young married woman "Anna" who crosses the line. Affair SEX between married people burns. Even if you know you can't go back, you're addicted to the swamp. There is no suppression in the overlapping skin. Until the day when the magic of love is broken... The world of two people who cannot be disturbed. - The two people who had sexual intercourse so much that their families collapsed became serious about playing with fire.