Buster is thrown off a train near an amusement park. There he gets a job in a shooting gallery run by the Blinking Buzzards mob. Ordered to kill a businessman, he winds up protecting the man and his daughter by outfitting their home with trick devices.
Roscoe is a doctor who falls in love with a pretty woman whose boyfriend, in turn, falls in love with Roscoe's wife's jewelry.
Two criminals chase a plainclothes policeman who, while taking out his dog, witnesses their crime.
Frank Bigelow is about to die, and he knows it. The accountant has been poisoned and has only 24 hours before the lethal concoction kills him. Determined to find out who his murderer is, Frank, with the help of his assistant and girlfriend, Paula, begins to trace back over his last steps. As he frantically tries to unravel the mystery behind his own impending demise, his sleuthing leads him to a group of crooked businessmen and another murder.