British agent Bulldog Drummond is assigned to stop a master criminal who uses beautiful women to do his killings.

During World War II in North Africa, a group of British commandos disguised as Italian soldiers must travel behind enemy lines and destroy a vital Nazi oil depot.

In 1840s London, Dr. Thomas Bolton [Boris Karloff] dares to dream the unthinkable: experimenting with anesthesia gases to make surgery pain-free. While doing so, his demonstration before a panel of his peers ends in a horrific mishap with his patient awakening under the knife; he is forced to leave his position in disgrace. To complicate matters, he becomes addicted to his own chemical experiments and gets involved with a criminal gang led by Black Ben [Francis de Wolff], and a ruthless killer Resurrection Joe [Christopher Lee]. Unfortunately, this shady partnership leads Dr. Bolton to further ruin, culminating in his unwitting participation in murder — for which he becomes the first victim of a blackmail scheme.

When Count Contini attempts to destroy the world's economy by masterminding the theft of $1 billion in U.S. gold, ICE chief MacDonald summons secret agent Matt Helm to stop him.

In September 1942, the German Afrika Korps under Rommel have successfully pushed the Allies back into Egypt. A counter-attack is planned, for which the fuel dumps at Tobruk are a critical impediment. In order to aid the attack, a group of British commandos and German Jews make their way undercover through 800 miles of desert, to destroy the fuel dumps starving the Germans of fuel.

In 1879, during the Anglo-Zulu War, man-of-the-people Lt. Chard and snooty Lt. Bromhead are in charge of defending the isolated and vastly outnumbered Natal outpost of Rorke's Drift from tribal hordes.