 FBI Agent Bill Collins (Preston Foster) is assigned to stop a counterfeit sweepstakes tickets racket and meets Linda Parker (Irene Hervey), hotel cigar-stand attendant, who sells lottery tickets but is unaware they are counterfeit, as is Jerry Howard (Chick Chandler), who delivers them to her concealed in cigar boxes. On Bill s instructions, they gain the confidence of Duncan (Noel Madison), chief lieutenant of the crime syndicate, and obtain positions in his office in order to get information on the chief, called Mr. X by Duncan.