SHADOW IN THE CLOUD is an action horror movie about a female World War II pilot traveling with a top-secret package on a B-17 Flying Fortress. The crew is suspicious of the last-minute passenger but must go along with her to stay on schedule. With no room on the plane, Maude Garrett rides in the belly gun turret of the plane. Communicating by radio, tensions rise between the crew and Garrett as they wonder what her top-secret mission entails. The all-male crew berates Garrett with sexist comments and excessive crass dialogue. However, the crew’s suspicions are forgotten when a monster starts to attack.