Mariko married a man with children who was much older than her for his money. As expected, their marriage didn't go well, and before she knew it, she was cheating on him with her old boyfriend. But one day... Mariko, unaware that her stepsons were nearby, called her boyfriend as usual, even complaining about her husband and having phone sex. The stepsons, enraged upon learning the truth about their stepmother, began to plot revenge against her for betraying their respected father…
