Gangster Jack Wellman is moving syndicated crime into politics, killing off certain politicians and replacing them with men more sympathetic to the Syndicate. The team goes in as caterers. Cinnamon sneaks into Wellman's room, blows a hole in the wall, and inserts a fake safe. Meanwhile, Barney and Willy break into the real vault from the rear and steal the 4 million in profits that Wellman has tucked away, and which he is to split with his fellow mobsters at a dinner that night. They open the real vault and discover the money missing. Going upstairs, they find Cinnamon who claims to be Wellman's girlfriend, tells him she knew ""it"" wouldn't work, and reveals the fake safe. As Cinnamon and the rest of the team depart, the other mobsters tell Wellman to open the safe or they'll kill him, and don't believe his desperate pleas that he's never seen that safe before in his life.

A former prison guard, Sefra, has got hold of a supply of cesium 138, which explodes at temperatures above 70 degrees. Sefra plans to sell the sample and the formula from the closed-down prison base where he once worked. Rollin and Barney go in as a photographer and model respectively, and Sefra ""learns"" that Barney is a former prisoner returning for revenge. The team fakes a generator break down while Sefra beats Barney, and the cesium starts to heat up. Sefra has it taken to a nearby hospital refrigerator, where the IMF makes the switch. When Sefra discovers the missing jar, he forces Barney to show him the escape route which he supposedly used to escape. As Sefra makes his own escape, the IMF send the cesium sample toward him on a remote-controlled mini-tank, and it blows up, killing Sefra and making sure no one gets the formula or the sample.

Two scientists and their wives have been kidnapped by enemy agent Eric Stavak. If Stavak doesn't get ahold of a third scientist, the other two are useless and will be killed. If he gets the third, than Stavak will have the key to an ""ultimate weapon"" project. Phelps and Cinnamon pretend to be the third scientist and his wife and alllow themselves to be kidnapped and taken to the other two scientists and their wives. Phelps predicts an upcoming earthquake, which the IMF team goes to work and fake-implements. Phelps digs out an escape route through a storm drain, only to be shoved aside by Stavak and his henchmen as they make their escape. While Jim leads everyone out of a perfectly-working elevator, Stavak and the others are captured as they emerge onto a perfectly-intact San Francisco street.

Willy kidnaps Princess Amara, wife of the king's brother Fasar, who knows nothing of his brother's slave racket. They put Amara in the duplicate cell and then Rollin-as-Borca tells her she will be sold at the next auction. Jim delivers Cinnamon to Borca, and then they dress up a sedated Amara as Cinnamon, and Barney and Willy switch her for Cinnamon. Rollin, masquerading as an Interpol agent, convinces Fasar to go to a slave auction that Borca is holding. Disguised, the men watch as "Cinnamon" is put up for auction. Fasar reveals himself and Amara's disguise is revealed. She tells her husband of the slave cells. Borca is killed and Fasar puts an end to slavery in Elkabar.