Primordial (2015)

Valarie, a tough girl trying to repress her sadistic nature, meets Andy at the party of a friend. Andy offers her work with his lock-smith business, which reveals itself to be more of a dodgy money lending venture. When Valarie realizes the true nature of the business she offers her own brand of vicious help in squaring accounts with unsavory clients. During a job her partner kills an old friend in cold blood and she finds herself exacting brutal vengeance on her former employers.