Scorned (2014 film)

Scorned is a 2014 American psychological thriller directed by Mark Jones and written by Jones and Sadie Katz. The film stars AnnaLynne McCord, Billy Zane and Viva Bianca. The story is about a woman who discovers her boyfriend is having an affair with her best friend. She goes crazy and decides to take revenge on them.

An argument ensues, and Sadie peppersprays Kevin and knocks him out with a fireplace log. Kevin awakens tied to a chair. At first confused and seemingly believing it to be some sexual fantasy, he remains calm. However, Sadie tells him that she knows about his affair with Jennifer. Sadie, pretending to be Kevin, says Sadie and Kevin have broken up and invites Jennifer to join him. Sadie takes Kevin to their bedroom, ties him to the bed and gags him, then places candles and rose petals as well as some spiked champagne for Jennifer. Jennifer arrives, follows the petals, drinks the champagne and quickly undresses.As Jennifer reclines atop Kevin, believing his gag and other ties to be a sexual fantasy, Sadie knocks her out. Jennifer wakes up in a bathtub in which Sadie tells her that in olden days adulterers had their hair cut off, which Sadie proceeds to do to her. Jennifer and Kevin wake up with Jennifer now tied to the bed and Kevin tied to a chair. Bringing up both a microwave and Jennifers dog, Bootsie, Sadie threatens to microwave the dog if Kevin doesnt perform oral sex on Jennifer. Sadie justifies this as being a cure for them and saying now they dont have to do it behind her back, Kevin eventually agrees. After feeding them and fending off a visiting neighbor, Sadie stops Kevin from getting his gun. In retaliation, Sadie electrocutes the pair and puts Jennifers hand in a machine that breaks all her fingers. She also breaks Kevins ankle with a sledge hammer. ........

Source: Wikipedia