Detective Sam Cragg goes to meet a client in the "Little Serbia" section of the city and finds the man murdered. Everyone in the neighborhood lives in fear of the unseen C. W. Roberts. a mysterious loan shark who keeps the poor permanently in debt. Cragg send a book to Roberts and watches to see who picks it up.

Directed by Robert Stevens
Starring Rex Marshall, Robert Emhardt, John Baragrey

Cast
Rex Marshall as Self - Announcer
Robert Emhardt as Arnold Sachs
John Baragrey as Charles Kincaid
Mildred Natwick as Nadia Demarest
Robert H. Harris as Captain Randall
Mary Sinclair as Connie Williams
Anthony Ross as Albert
Royal Dano as Barney the Bookie
Lawrence Fletcher as Captain Merriman
Eileen Heckart as Margaret Quartermain