Decorated retired homicide detective Ray Archer (Al Pacino) and his partner, ex FBI agent Will Ruiney, (Karl Urban) are tasked with catching a vicious serial killer who is playing a twisted version of the children's game Hangman. Crime journalist Christi Davies (Brittany Snow) shadows the detectives, aiding them with her own insights into the criminal mind.
A homicide detective brings his partner out of retirement to help catch a serial killer whose crimes are based on the children's game Hangman.