Every Saturday, under dimmed lights, she goes through the ritualistic act with her husband—mechanical caresses, a few minutes of fulfilling duty. It wasn’t an embrace, but something closer to "housework." Her heart was worn down by the monotony of daily life. To relieve this dissatisfaction, she musters up her courage and decides to face an affair with a man other than her husband. In a lewd hotel, the passionately seeking fingertips hold no trace of predetermined harmony. On the other side of the forbidden door, she is reminded that she is a woman. The mask of the obedient wife she plays before her husband falls away, and she transforms into a lustful female leopard.