A federal tax agent goes undercover as a reporter and, working with a mobster's pretty bookkeeper, infiltrates a crime ring to catch the racketeer. When she agrees to testify, an informant exposes them and she's kidnapped.

Bette Davisas Julie Gardner
George Brentas Bill Bradford
Ricardo Cortezas Alexander Carston
Jack La Rueas Jake Andrews
Henry O'Neillas District Attorney Roger Quinn
Robert Strangeas Waxey Armitage
Joseph Crehanas Commissioner of Police
J. Carrol Naishas Joe Durell
Joe Sawyeras Rich - Chief Henchman
William B. Davidsonas Charlie Young - Carston's Lawyer