When the news of a secret diplomatic treaty between China and Britain leaks out, suspicion falls on Roger de la Hay of the Diplomatic Service. Marquis Chi Lung, who owes the de la Hay family a long-standing debt of honour, investigates and finally clears Roger's name.
The film centers on four aspiring filmmakers, Rome, Buzz, Max, and One-Eye, who go on a surreal rampage and make their exploits into a movie. While evading law enforcement, the filmmakers discuss their plans on how to make their movie as violent and sexy as possible so that they can sell it for a lot of money. After the group blows up a gas station, Rome flirts with Tess, an attractive woman he meets on the street, and tries to cast her.
Two insurance detectives work with the police to identify and bring down a crime kingpin. After one is murdered, his partner and his daughter decide to solve the case themselves.
After he finds the wanted outlaw "The Raven" dead from having sipped water from a contaminated stream, U.S. Marshal Tom O'Malley decides to impersonate him and investigate criminal activities in the Arizona town of Gunsight. Saloon keeper Flash Arnold and a corrupt mayor are engaged in various nefarious deeds.
Young lawyers Fred Palmer and Tom Reagan open an office down the hall from one occupied by L.T. Mitchell, who fronts a slot-machine operation run by Monk Walter, a brutal racketeer. Fred and Tom extend an invitation to a welcome party to Mitchell, who declines, but his stenographer Mildred Anderson accepts and quickly develops a romantic attraction to Fred.
The life of eccentric millionaire Rupert Gay is in constant danger, because of his feud with a financial rival. The latter raids Gay's house with his gang, but they are frustrated by his secretary and valet.
When their own investigations into the murder of Joe Farmer stall, Scotland Yard asks newspaper reporter Peter Dewin to assist. He is able to find evidence to put the police on the right track, and the culprit is apprehended. Dewin himself finds love with the murderer's secretary, who is uninvolved with the crime.
Jim Loomis is a reporter after a big story about a heist, the kid Tommy Turner knows the identity of the gang, but Loomis has a hard time getting him to spill the beans.
The film tells the story of an elite sniper's daring counterattack after being severely wounded by an international agent. It shows his extraordinary training and cruel jungle combat.
An illusionist called The Master Magician tries to obstruct the evil plans of an Asian villain named Ching Ling Fu who has supernatural powers. Also in the film, an Englishman robs a sacred jewel from a temple and is haunted by its curse. The film couldn't have been too serious since one of the characters was named "Froggie the Vampire".