Watch Backstabber Online Avalaible Now [ FREE ] Select your Language : Employees attending an extreme team-building function for the weekend find new meaning in teamwork, thinking outside the box, and risk management as they fight for survival from a deranged killer bent on revenge. Watch movie online - EN Watch Movie trailer Download Links - EN Language SD Quality - EN HQ Quality - EN HD Quality - EN HD Quality - EN 4K Quality - EN 8K Quality - EN