A crooked politician finds himself being accused of murder by a gangster from whom he refused help during a re-election campaign.
A Chicago gang led by Slade carries out an audacious brokerage robbery. Lieutenant Bill Mason takes the case, continuing his friendly-enemy relationship with crime reporter Ann Rogers. One gang member is caught; eventually, others follow. But Mason hasn't a clue to Slade, principally because he's unaware she's a woman.
While courting a young woman by mail, a rich farmer sends a photograph of his foreman instead of his own, which leads to complications when she accepts his marriage proposal.
