[Machine Translation] A young man is found dead at the back door of the ordinary Tsukinami family. From that day on, the wheels of family life begin to come out of whack. The husband and wife are both involved in affairs with different members of the opposite sex, and the children are exposed to the dark side of adult life. Hisako, the second daughter, struggles to solve the case that has been attacking the family... This suspenseful feature film depicts people's self-preservation, desires, and betrayals with a touch of black humor.