Philo Vance is hired to write a true-crime mystery... but when the facts about an unsolved crime are about to be brought out into the open a murder takes place.
Claghorn gets into some financial difficulties and is forced by a machine-political gang to enter a race for state senator against his wife (Una Merkel) who appears to have a good chance to beat the political hack backed by the machine. Claghorn is in to siphon votes and ensure his wife's opponent will win and is expected to run a campaign that will defeat himself and his wife. But, he runs to win and the machine's henchies abduct him.
Up-and-coming Hollywood actor/crooner, Vic Morton, has a secret. He starts receiving death threats in the mail and an attempt on his life is made. Soon after, two of his associates are murdered. Who is behind it all?
Des bandits décident un jour de braquer une salle de paris clandestin. Malheureusement pour eux, la police s'en mêle et l'un des leurs est tué… Un homme faisant figure de coupable idéal est arrêté mais l'inspecteur en charge de l'enquête ne croit pas en sa culpabilité. Il va alors poursuivre ses investigations…