A vulgar family parasitizes on a wealthy family! This vulgar family fabricates a traffic accident and exploits the family's weakness to stay in the family! They have a comfortable home and meals... and eventually they even get to seduce the beautiful wife and beautiful sisters! The wealthy Matsumura family consists of five people: a father, a mother, two daughters, and a son... Their comfortable and affluent life changes completely when the father gets into a traffic accident! From there, everything goes downhill...