A group of people in an old dark house are terrorized by a mysterious hooded figure dressed in black who proceeds to kill them off one by one.

Discharged by his employer, a private eye stays on a jewel theft case after a model with information for him is murdered.

Two truck drivers fired by the crooked trucking firm they worked for start their own company. Their former boss, worried about the competition, tries everything he can to drive them out of business, from sending his pretty daughter to seduce them to having his henchmen sabotage their trucks.

American racketeer Jimmie Dean travels to England, where he assumes the identity of a Canadian whom he has been falsely accused of murdering. Jimmie is then forced to join the British army in the dead man's place. He falls in love with the Canadian's childhood playmate, Sally Briggs, and becomes a hero after saving an isolated English colony in China.

A industrialist has a row with his son, who leaves home. Meanwhile, both his assistant and solicitor conspire to embezzle a fortune in bonds. A plucky young newspaper reporter pursues the rich man's daughter.

A ruthless businessman tries to steal his brother's successful shipping company. He hires a gifted mimic to date one of his brother's daughters to get some inside information about the business. The mimic succeeds only too well, with tragic results.

Mendoza, who had an affair with the star of the original production of La Vie parisienne in 1900, returns in 1935 with his son and granddaughter. His granddaughter is engaged to a young Frenchman, but Mendoza's strait-laced and puritanical son initially forbids the marriage. The core conflict involves Mendoza and his old Parisian friends conspiring to change the son's mind and convince him to embrace the titular "Parisian life".