An American pilot is shot down over Nazi-occupied France and is taken to a convent by the Resistance. The young novice nun Clothilde is interested in him and is willing to help him escape to England, but the pilot must continue his mission undercover by posing as the husband of a different woman.
In late 1941, with no hope of relief or re-supply, a small band of United States Marines tries to keep the Japanese Navy from capturing their island base.