A Capone-like racketeer named Anderson, who after being chased out of one town by the authorities immediately sets up shop in another. Unable to get any tangible evidence against Anderson, DA Wayne orders his assistant Carter to dig up some dirt on the gangster boss. To do this, Carter pretends to turned crooked, joining Anderson's gang in order to accumulate evidence. Alas, Carter's girl friend Patricia knows nothing of her boyfriend's subterfuge, and she suspects the worst.
On parole after three years in prison, a football player encounters the man who framed him.
Susan Hart, assistant to private detective Russ Ashton, is given a camera concealed in a hat box and assigned to take a picture of a woman. A gun is accidentally hidden in the box and the woman is killed. Susan is charged with murder, but Russ and his less-than-useful associate, Harvard, get on the case.
