The film, which stars Idris Elba and Taraji P. Henson, is a thriller, and Elba is the bad guy. A convicted killer with a penchant for going after women, Elba’s character finds a way to break out of jail to act a damn fool. He finds himself in a car accident and seeks help from Henson’s character, a mother and wife at home alone with her daughter, and the initially charming but mysterious gentleman becomes a predator, terrorizing Henson’s character and forcing her to fight for survival.