Two young babysitters, Lucy and Emily, are left alone with their charge's older brother, Alex. As they watch TV, Alex's hand accidentally brushes Lucy's thigh, sending a jolt of unexpected desire through her. They share a secret glance, their eyes filled with unspoken longing. Later, as Emily falls asleep, Lucy and Alex can't resist their growing attraction. They begin to explore each other's bodies, their kisses deepening, their touches becoming bolder, unveiling their hidden, taboo desires.