Mother and daughter suppress their sexual desires through daily masturbation. One day, a young pair of brothers moves in next door, catching their attention. The mother becomes intensely interested in the older brother, using her experienced feminine charm to seduce him. The daughter, secretly eavesdropping, can no longer resist and visits the brothers' home seeking sex. Suddenly, the mother appears, leading to an unexpected threesome. Shocked by the scene, the daughter watches as her mother taunts her, saying, "I should feel better than you," sparking a fierce competition between mother and daughter for the brothers' attention.