Ten years into her marriage, Ayaka finds her relationship with her husband has drifted far from the passionate love they once shared. Exhausted by days of complete silence and overwhelmed by loneliness, she grows increasingly disheartened. As their anniversary approaches, her husband's cold and distant behavior fuels rumors of an affair. At work, her supervisor, Ooki, notices Ayaka's anxiety and offers her support. Desperate, Ayaka clings to him for comfort—only to realize too late that his kindness was part of a calculated trap. This gripping, fresh take on an illicit affair drama pulls viewers into the unraveling of a marriage, exposing just how fragile trust and loyalty can be.