Dawn (Weixler) is a suburban teenager who has lived her life in the shadow of nearby nuclear reactors. A strait-laced student, she is an active member of the chastity group and regularly lectures youngsters on the dangers of pre-marital sex. But when a new member Tobey (Appleman) joins, Dawn finds herself drawn to him. As they grow closer, she discovers something unique about her body. As Dawn comes to terms with her emerging sexuality, she threatens the men who want to harm her.