Matsuri married a man 30 years her senior, her boss at work. At the same time, she became the stepmother of a teenage boy. However, this stepson, who had closed his heart to his father, her husband, was naturally not accepted by Matsuri. Losing his mother at an early age and not knowing love, the stepson's twisted desires ran wild, and he, along with his bad friends, plotted to attack Matsuri...!!