After returning home from her honeymoon and childbirth, Rita finds herself living alone again. Feeling lonely in his empty room, he warmly welcomes his new sister-in-law Renna, who suddenly appears. However, Renna has ulterior motives; she wants to cheat on her husband. Unaware of her true intentions, Rita innocently enjoys bathing together with him. As they soak in the tub, Renna's beautiful face breaks into a smile while her voluptuous body dangles seductively before him...
