Minami, a young wife, married Hayato, a section manager at a listed company, who was introduced to her by a relative. Hayato is more than twice her age, but she fell in love with him at first sight because he resembles her late father. Now they live a modest but happy life. But one day, absurdity suddenly strikes. Thinking about having children, they move to a slightly larger apartment with the money they saved, but the yakuza who have their office next door start making a fuss about them, and the two of them are sent to the depths of hell...