Thomas Craven (Mel Gibson) is a veteran homicide detective and when his only child, 24-year-old Emma is murdered on the steps of his home, everyone assumes that he was the target. He then embarks on a mission to investigate the case. His investigation leads him into a dangerous looking-glass world of corporate cover-ups, government collusion and murder. Craven's solitary search for answers about his daughter's death transforms into an odyssey of emotional discovery and redemption