Rescued as a child and raised by legendary assassin Moody (Samuel L. Jackson), Anna (Maggie Q) was trained to become the world's most skilled contract killer. When Anna learns that Moody has been brutally killed, she vows revenge. On the murderer's trail, Anna is entangled with an enigmatic hit man (Michael Keaton) and, as their confrontation turns deadly, the loose ends of a life spent killing weave themselves ever tighter in this adrenaline-fueled action-thriller from the director of Casino Royale.