Watch HDToday. PURPLE HEART tells of a clean-up effort after a covert mission gone wrong. It is the story of Colonel Allen, the leader of a new, elite military unit designed for covert operations. His first mission: assassinate Saddam Hussein prior to the beginning of the 2003 Iraq War. Sgt. Oscar Padilla is the sniper chosen for the mission targeting Hussein. Unfortunately the mission is compromised; Padilla is captured and tortured by the Iraqis.