A woman leads an expedition into a remote jungle to find her long-lost brother, but instead finds a mad scientist who has created a fungus monster that feeds on the local inhabitants.

Captain Hugh 'Bulldog' Drummond investigates the murder of the C.I.D. man who had been tracing validity of rival claims to a large estate.

Unhappily married Richard Mason concocts a meticulous scheme to kill his shrewish wife so that he'll be free to marry her sister.

Struggling artist Geoffrey Carroll meets Sally while on holiday in the country. A romance develops, but he doesn't tell her he's already married. Suffering from mental illness, Geoffrey returns home where he paints an impression of his wife as the angel of death and then promptly poisons her. He marries Sally but after a while he finds a strange urge to paint her as the angel of death too and history seems about to repeat itself.

A British bomber crew, including Australian (Flynn) and American (Reagan), is shot down over Germany during a bombing run. The five make their way across a perilous Germany, intent on reaching the UK with the war secrets they have learned, battling Nazis along the way.

In Libya, an American tank commander, along with a handful of Allied soldiers, tries to defend an isolated well with a limited supply of water from a German Afrika Korps battalion during the Western Desert Campaign of World War II.