A newlywed couple purchases a small house with a loan. Nagomu, who is both the husband Kenji's boss and the son of the company president, arrives at their home with his subordinates. He sends Kenji out to run an errand, then carries out his malicious plan to assault the wife in his absence. Nagomu's sole intention is to destroy the couple's bond and create a situation advantageous to himself. His cunning and sinister tactics become evident as he skillfully exploits Kenji's frustration over the small house to manipulate him.