Banker Tomoya lives with his beautiful wife, Aimi, and their lovely daughter, Tsumugi. One day, a man named Nakata appears in front of Tomoya. He was a yakuza member who had been arrested due to Tomoya's report. Later, Nakata brings his older brother Kudo, who attacks Aimi while she is doing housework, and also lays hands on Tsumugi when she returns home. Then, Nakata contacts Tomoya via video call, sending him footage of Aimi and Tsumugi being subjected to endless sexual acts...
