Rika, a married daughter-in-law living with her father-in-law, spends her days managing household chores at her husband's family home. Her father-in-law, a rugged man in his late fifties, works actively as an interior finisher on construction sites and maintains a strong, dominant presence at home. Though Rika inwardly resents his crude remarks and blatant stares, she endures it after her husband laughs it off, saying, "Dad doesn't mean any harm." One late night, while in the kitchen, she is suddenly assaulted by her father-in-law who begins groping her body. As unsettling tension lurking beneath daily life erupts into reality, Rika's emotions spiral into turmoil.