Undercover NYPD Narcotics Detective Mike Breslin (Cusack) has become a man with a mission since his pregnant wife was killed by associates of a man he brought down during his undercover operation. Driven to find them and wreak his vengeance, Breslin forms an uneasy alliance with Rick Calloway (Hirsch), a dangerous hit man with the Gulf Cartel who promises to lead Breslin to his wife's murderers if Breslin can keep them both alive long enough.