Eri, who had been building a happy married life, suddenly faces a life-altering event when her husband suffers massive losses in futures trading and is forced to repay a huge debt to a corrupt financial lender. Behind this lies the shadow of Yoshii, a man who once had his advances rejected by Eri during college. It becomes clear that he systematically manipulated and led her husband to ruin. Shaking with shock and rage, Eri is driven to question her own identity. This story weaves through love, betrayal, and revenge, delving deep into the human psyche.