Aki, a wife who returned to her husband's parents' house with her husband for the first anniversary of her mother-in-law. Koichi, a father-in-law who had been aiming for Aki for a long time, pretended to be a dead wife and pushed Aki down and committed it. Aki is worried by herself without being able to confess to her husband. Knowing that, Koichi was wondering if Aki could manage to get rid of it again while he was at his parents' house, and he put into practice a sneaky strategy ...