The team must steal a rocket laser and smuggle out Father Bernard and his list of Western operatives. Bernard puts the IMF in contact with Wittstock, who gets them the laser. Wittstock is killed after delivering the weapon and Police Colonel Eckert seals up the country to capture the IMF. Bernard dies of a stroke but gets the list, but nightclub owner Eric Schilling saw Dana with Wittstock and tries to take advantage of the situation to profit. When Barney splits the laser into five parts for the team to smuggle out of the country, Schilling gets hold of Dana's part and the team has to get the part from Schilling while escaping through the heavily-guarded airport. Paris in disguise buys the part from Schilling, leaving him to be captured by Eckert while Paris drops the disguise to escape, leaving the part to be recovered by the rest of the team. Then the IMF secretly blend in with an arriving broadcast crew from England just as the crew are told their visas have been revoked - the IMF

Howard Bainbridge, a chemical warfare expert who defected to East, was contaminated by his own experiments and then returned back to the U.S. and his family manor, where his father (a paranoid arch-conservative) had him killed and the body buried. Since Howard destroyed the records before defecting, the IMF must recover the body to get a sample of the chemicals. The elder Bainbridge, Justin, is unaware that his head of security is an enemy agent also trying to find Howard' sbody. The IMF gain access to a air-raid shelter on the grounds and start ""haunting"" Justin with a secretly-implanted microphone and holographic projectors. Plagued by visions only he can see of his son and his dead wife Janette (played by Dana), Justin calls in physician Paris, who recommends he assauge his guilt conscience and Justin ends up digging up his son's body, which the IMF take.

Syndicate boss Delaney controls the waterfront and eliminates any potential witnesses - the IMF have 72 hours to bring him to justice before the grand jury closes. Barney infiltrates Delaney's waterfront organization and sabotages it, while Jim is a captain of a Norse ship, The Orion, on which Delaney once killed a man. Casey poses as the dead man's daughter and tries to implicate Delaney. The team capture Saunders, Delaney's killer, and Barney then claims to be employed by Delaney's Syndicate liaison Morgan and forces Saunders to set up a meeting on-board the Orion. Saunders ""escapes"" and warns Delaney, and they kill Morgan. The Syndicate head Mr. C is also present, lured to the ship, and witnesses the killing. He leaves one of his men to kill Delaney but the police arrive and Delaney testifies in return for protection.

The Syndicate is bribing a major politician, codenamed ""C6"", through their operatives Harry fife and his chief killer Jenkins. The IMF must find out who C6 is and get the evidence against him. Fearing a IMF man he had killed got too close, Jenkins recommends someone new, Jean Royce, to make deliveries. Barney takes Jenkins place while Casey becomes Royce. Fife gives Casey a bag of explosives to deliver to C6 to silence his payoff demands for good. Barney finds out but is exposed and wounded, but warns Jim and Willy...but an accident destroyed the tracer. Jim allows Jenkins to escape and return to his boss, then visits Fife himself as a Syndicate head and tells him that C6 must stay alive. Fife sends Jenkins to warn C6 and reveal Casey is a cop, and Jim traces the call and Willy saves Casey just in time.