A woman-hater who inherits a beauty salon gets a new perspective on females after capturing a gang of thieves.

Tim MacGregor, unscrupulous lumber operator, obtains by bribery a contract to cut a vast quantity of timber from land owned by Kay Handley, rich débutante. When Dick O'Hara, forestry inspector, demands a postponement, MacGrgeor refuses and sends his henchman, Jean Collet, to obtain the services of the famous "bull-of-the-woods" Andy Jensen and his partner "Lucky." Kay arrives and gives her permission to cut the timber, defying Dick. Dick, with his two assistants, Withers and "Tex," begins a survey of the timber stand. When Dick and Tex finally reveal MacGrgeor as a crook, Collet is sent to kill "Tex" and obtain the reports. A fight ensues and "Lucky" is killed by one of Collet's flying knives. Kay then admits that Dick is right and helps him trap Collet. Dick and Andy force a confession from Collet and MacGregor is exposed.

Mad scientist turns a man into an electrically-controlled monster to do his bidding.

Dr. Paul Carruthers feels bitter at being betrayed by his employers, Heath and Morton, when they became rich as a result of a product he devised. He gains revenge by electrically enlarging bats and sending them out to kill his employers' family members by instilling in the bats a hatred for a particular perfume he has discovered, which he gets his victims to apply before going outdoors. Johnny Layton, a reporter, finally figures out Carruthers is the killer and, after putting the perfume on himself, douses it on Carruthers in the hopes it will get him to give himself away. One of the two is attacked as the giant bat makes one of its screaming, swooping power dives.

Story of the early days of the diamond-mining era in South Africa.

In 1939, a group of Finnish soldiers defend the border from Russian invaders.

Hans Memling, a young intellectual, patriotic German, is secretly opposed to the Nazi regime. With the aid of Gustav Schultz, Father Pommer, Anna Wahl and others, he is gleaning accurate information from foreign radio broadcasts and distributing it through Germany with an underground-press operation.