Two years into her marriage, Shizuka lives a happy life with her husband who runs a chain of izakayas. However, one day upon returning home from shopping, she finds an unfamiliar man waiting inside her house. He declares, "I'm the one who lent money to your husband," marking the beginning of a life-altering event. As her bond with her husband begins to unravel, she is forced to confront the truth. How she responds in this moment, and the consequences of her choices, become the focal point of her unfolding tragedy.