Housewife Misato, burdened with gambling debts from pachinko, finds herself unable to tell her husband and resorts to selling her body to pay off the debt. Approaching a car parked in a lot, she accepts money from a man in exchange for sexual favors. However, to her shock, she's spotted by her younger brother. Though she's steeled herself to repay her debts with her own body, she's suddenly drawn into an unexpected predicament. The tension and anxiety of the moment deepen the unfolding story.