Catherine Black (Louise Linton) is a ruthlessly ambitious, intelligent and successful businesswoman who happens to also be gorgeous. She lives a life of luxury: architectural dream house in Malibu, fast cars, exclusive designer fashions and exquisite jewelry. She has no need for a man except to satisfy her natural serial killer instinct, literally. When Tyler (Ed Westwick), a petty thief, responds to her online roommate ad, he thinks he’s struck a goldmine. He has no idea after a night of partying and passion he is really just on her menu to be her next victim. Things go according to plan until Tyler falls for Catherine and for the first time in her life she also starts to fall for him. But Tyler discovers the freezer filled with the severed heads and limbs of her previous dates. Catherine must decide whether to kill Tyler and protect her secret, or start a new life with a man that is worth loving.