Tom Harris, a freelance undercover operative working for the CIA, is assigned a mission to sabotage an Iranian nuclear research facility. At the same time, a British journalist receives evidence of CIA involvement in Iran's nuclear programs. Tom's mission is successful, but the journalist is arrested. While in Dubai, Tom meets with his CIA handler and accepts a new assignment in Afghanistan. However, news of his involvement in the facility's destruction puts him in danger. Tom and his translator, Mo, are chased by Iranian and Pakistani operatives. They seek help from an Afghan warlord and later discover a betrayal. Tom's handler joins ISIS, and a series of events leads to a final confrontation with their pursuers.