Fred Cordova

In order to learn the location of a fabled Aztec treasure, a professor kidnaps his colleague, the only man able to read the ancient Aztec script that is supposed to reveal the location of the treasure. Charlie Chan and his #1 and #2 sons journey to the jungles of Mexico to find the victim and bring the kidnapper and his gang to justice.

Sandy Doyle, gambler and political chief of a small border town, seeks to gain control of the Bar-X Ranch, owned by Rufe Rickson, to further some undercover activities of his own. He counts on Rickson's inability to stay away from gambling as the means to his ultimate success. Government investigator Oliver Shea and his assistant, Dan Haggerty, start a fight in Doyle's place when they see Rickson being cheated and are invited to the Bar-X where Oliver and Helen Rickson, Rufe's daughter, discover interest in each other and Dan finds himself pursued by Bell, the ranch cook. Sheriff Larson brings the prize money for the $5,000 race of the Rodeo Association, and that night it is stolen.

Jean Picard, un criminel français devant être exécuté, est sauvé fortuitement par un bombardement allemand. Le train qu'il emprunte est saboté par la Résistance et les Allemands exigent le coupable sinon ils fusillent des otages. Jean Picard va se dénoncer sur la suggestion du policier à ses trousses afin de se racheter.

Le conte Dracula se rapproche du Dr Edelman afin de se débarrasser des effets du vampirisme. Mais ce n'est qu'une ruse pour se rapprocher de la belle assistante du docteur et la convertir en vampire. Pendant ce temps, Larry Talbot cherche à rencontrer ce docteur, lui qui souhaite sincèrement guérir de sa lycanthropie...

Both Harmon and his men and a Mexican gang are after a treasure hidden on the Wilson ranch. Acey learns of their raid and goes to get Ken only to find him in jail for a murder he did not commit.

Magazine photographer Ann Larkin is snapping photos at Mexico's National Museum when she sees Brod Williams steal a painting from its frame. Convinced that Brod is the notorious art thief known as "The Wildcat," Ann follows him into the street and accuses him of being the thief. Even though the police attest that Brod is a New York City police detective, Ann remains dubious.

Wilbur Hoolihan tue accidentellement un cheval appartenant à King O'Hara et à sa fille Princess. Tenant absolument à le remplacer, il part dans un haras, avec son ami Grover Mockridge. Ayant conclu un accord pour emporter un vieux canasson pour trois fois rien, ils se trompent et repartent avec un vrai champion, Tea Biscuit. Le colonel Brainard, propriétaire de Tea Biscuit, est prêt à tout pour retrouver son étalon et offre une récompense à celui qui le ramènera…