Edward (Derrick Pierce) is worried about protecting his teen stepdaughter Rosie (Coco Lovelock)'s innocence while she's dating. One day he brings her a gift: a chastity belt. Although Rosie is surprised, she doesn't want to disappoint her stepfather, so she agrees to put on the belt. But as Edward helps her put the chastity belt on, he has impure thoughts about her that soon leads to an obsession...