"London, 1953. Harry Tower is a recently widowed and world-weary British spy, out of favor and down on his luck. After a night spent drinking away his sorrows, he is awakened by a phone call with chilling news. His estranged son Sean has gone missing in Tehran after writing a damning article about the involvement of government officials in the opium trade. Harry springs to action, eager to reunite with his son and atone for past wrongs. When he arrives...