The Duchy of Grand Fenwick decides that the only way to get out of their economic woes is to declare war on the United States, lose and accept foreign aid. They send an invasion force (in chain mail, armed with bows and arrows) to New York and they arrive during a nuclear drill that has cleared the streets.

Godina je 1943. Suočeni s gubicima, Nijemci pokušavaju uvući u sukob neutralnu Tursku i nagovoriti je da se priključi silama Osovine. S tom namjerom, odluče napasti britanske snage na otoku Kherosu u Egejskom moru. Dvije tisuće britanskih vojnika nalazi se u klopci, a njihova mornarica ne može ih spasiti zbog njemačkih topova koji se nalaze na susjednom otoku Navaroneu. Skupina komandosa, koju, na čelu s bojnikom Royem Franklinom (Anthony Quayle), čine satnik Keith Mallory (Gregory Pack), pukovnik poražene grčke vojske Andrea Stavros (Anthony Quinn), kaplar Miller (David Niven), stručnjak za eksplozive Spyros Pappadimos (James Darren) i stručnjak za borbu noževima Butcher Brown (Stanley Baker), preruši se u grčke mornare i brodom krene u misiju s jedinim ciljem - razoriti topove.

Intercutting dramatic vignettes with newsreel footage, the story follows the characters from an infantry squad as they make their way from Sicily to Germany during the end of World War II.

A bandit kidnaps a Marshal who has seen a map showing a gold vein on Indian lands, but other groups are looking for it too, while the Apache try to keep the secret location undisturbed.

The core of the plot is the romantic triangle formed by the protagonist, a conscripted soldier named Private Brigg, a worldly professional soldier named Sergeant Driscoll, and Phillipa Raskin, the daughter of the Regimental Sergeant Major. The location is a British army base in Singapore during the Malayan Emergency.