Sadie and Kevin spend what is supposed to be a romantic weekend at his father's beach house. But when Kevin receives a text from Sadie's best friend Jennifer, a lurid love affair is revealed between her 'man' and her dearest friend. The dynamic suddenly changes - a woman scorned is out for revenge. After physically torturing Kevin, Sadie lures Jennifer to the beach house via Kevin's phone, claiming that he had broken off his relationship with Sadie. When Jennifer arrives, Sadie surprises her and ties her up. Now, Sadie has both her cheating boyfriend, Kevin, and his mistress, Jennifer, right where she wants them - tied up and at her mercy. She cruelly inflicts escalating amounts of torture to get them to understand the error of their ways. But the night is long and things begin to spiral out of Sadie's control...
