At a tender age, Aoibh is often the center of attention among boys due to her frequent laughter, cuteness, and good personality. Despite just breaking up with her boyfriend, she already has a new one. Her older brothers, who have doted on her since childhood, begin to desire her body out of jealousy and deep affection. Aoibh, while believing that it's wrong to have a physical relationship with her brothers, finds the sense of transgression and guilt amplifying the thrill, leading her to indulge in pleasure through sex with her brothers.