Betty Laidlaw

The Royal Mounties are called in when one of the armored cars owned by Maxwell, containing a gold shipment, disappears with driver George Hill suspected of trying to get away with the gold. Actually, Maxwell and two henchmen had poured acid on the brake lines, causing the car to crash. Genevieve, daughter of the Mountie chief, suspects Maxwell and Thomas Hatch, president of the bank shipping the gold, but she quickly becomes more trouble than help to Sergeant Renfrew in charge of the investigation. Renfrew and Constable Kelly drive the next shipment but Maxwell plans to make them crash the same way as Hill did. Renfrew steers the vehicle into a hillside and this gives him an idea of what happened to the other car.

Jimmie Allen, a shady bookie, is in love with Pearl Proctor, a greedy dance hall girl. He schemes to get her back after she rejects him; and along the way, he revives a failing Gilbert and Sullivan troupe.

Two rival newspaper columnists battle over whether or not a woman murdered her playboy husband.

Lloyd Wilson, trusted employee of an investment firm, is suspected of theft when $20,000 in security bonds is stolen from his office. Tarzan, the Famous Police Dog, has an intuitive dislike of an apparently respectable citizen, and this leads Wilson and the police to the gang headquarters. Tarzan wins a public citation for his leading part in breaking the case against a desperate gang of criminals.

Trouble begins when a hated cad of a sponsor is found murdered during the climax of a live radio show. A radio engineer then tries to solve the murder.

A Chicago gangster steals jewels and frames his band leader double.