Murderers' row: Having kidnapped the inventor of a death ray that can incinerate entire cities, Julian Wall (Karl Malden) intends to destroy Washington, D.C., as a warning to all those who oppose him. But he hasn't counted on Matt Helm (Dean Martin), who teams up with the inventor's go-go dancing daughter (Ann-Margaret) to save the world from Wall's wicked scheme.
Silencers: Matt Helm (Dean Martin), ICE's greatest secret agent, is in hot pursuit of the nefarious Tung-Tze (Victor Buono), head of the evil Big O organization. Aided by gorgeous klutz Gail Hendrix (Stella Stevens), Helm must stop Operation Fallout, Tung-Tze's dastardly scheme to take over the world by hijacking an American nuclear missile and starting WWIII.
The ambushers: When an evil criminal mastermind steals America's latest superweapon, Matt Helm (Dean Martin) heads south of the border to steal it back. Helping and hindering him are gorgeous fellow agent Sheila Sommers (Janice Rule) and the world's most dangerous bad girl, Francesca Madeiros (Senta Berger), a foxy Eurobabe whose poisoned lips mean instant death.
The wrecking crew: Teamed with beautiful British agent Freya Carlson (Sharon Tate), Matt Helm (Dean Martin) is assigned to retrieve one billion dollars in gold, stolen by international crime czar Count Massimo Contini (Nigel Green). Determined to keep his ill-gotten gain, the Count orders two gorgeous assassins (Elke Sommer and Nancy Kwan) to dispatch Helm once and for all.