Stepsister Brianne Blu has turned 18 but her parents still try to control her, she can't stand their strict rules so she tries to move in with her stepbrother, Tyler Nixon. Tyler isn't thrilled about Brianne coming to live with him, he's got his own agenda, he's trying to get his beautiful girlfriend, Alex Coal, to move in with him.

Alex has a completely different outlook on the definition of commitment. She won't move in with Tyler unless he agrees to an "open relationship." She wants the two to love only each other, but to make love to anyone they choose. When Alex sets her eyes on the stunning blue eyed blonde, she knows that his step-sister will be the perfect tool for showing Tyler a new lifestyle. Watch the story unfold as both Alex and Brianne seduce Tyler in a very taboo sex scene.