巴黎一批受僱於北愛爾蘭恐怖組織的國際傭兵，他們的任務是奪取一只被嚴密看守的鐵盒子。神秘的鐵盒子即將到手郤被調了包，鐵盒子轉售俄國人圖利。在追回鐵盒子的行動中傭兵死傷慘重，鐵盒子意外的被幕後主使者希蒙斯奪走，山姆窮追不捨。在千鈞一髮之際，文森及時趕至救了山姆一命，殺了希蒙斯，經歷三十年內戰的北愛爾蘭，在即將簽下和平協議的一刻，遭受恐怖份子的破壞，他們是否能順利達成協議呢？

Trained KGB assassin, Edward Genn (code name ICARUS), worked years ago as a sleeper agent in America. But when the Soviet Union collapsed, he quickly found himself in a foreign country with no one to trust. Determined to escape his muddled existence, Edward tries to start over. He assumes a new identity, starts a family and tries to start his own legitimate business that could potentially pull him out of his world of being a hitman.

Frank Wagner goes deeper undercover to infiltrate Europe's most dangerous Mafia, the Russian-est, consisting of ex - KGB officers.