He explains that his group were guarding stores for re-supplying German submarines but have been forgotten by their superiors and offers to share his supplies and accommodation if the British will agree to a truce.
The British soldiers return to their camp to consider the offer and eventually agree to accept when they realise that their food and water are about to run out.
The two sides live harmoniously and even find mutual interests, with Finch befriending a German archaeologist and helping on an archaeological dig.
One day, while sunbathing, the British officer Brown sees a woman, Elsa, in the sea clinging to some wreckage.
Preferring a life of idleness in the Adriatic to the Eastern Front, they quickly walk away back to the interior of the island.
The Monthly Film Bulletin wrote: "Continuing the spate of British Service farces, this is a poor specimen with a dearth of good gags and situations.
Miss Regin speaks not a work of English throughout, while Mr. Cole is reduced at one point to appearing in the nude.