Dont Panic Chaps

During World War II four British soldiers are commissioned to set up an observation post on a seemingly deserted island in the Mediterranean However while surveying the island the Brits come across four German soldiers holed up in a monastery The Brits and the Germans agree to a truce sharing the monastery together until either the British or German troops arrive But when a shipwrecked Slavic girl ends up on the island a battle over her erupts amongst the men