a single mother who was spending happy days with her child after divorcing her husband... however, she falls into a tragedy where her son has a major accident and tens of millions of yen are needed for treatment... unable to raise the money, she tries to negotiate with an organization that seems likely to donate, feeling like she's grasping at straws... the single mother is happy that they will donate the money, but... the man who has set his sights on her wonderful body licks his lips and sets a condition for exchange... for her son's sake... unable to refuse, the married woman kills her heart and accepts while crying... but the man's actions escalate...