
An architect (Chick Chandler) studies the doors of six shops and an apartment house to solve a gem theft/double murder.
Director:

Chick Chandler
Jimmy McMillan

June Clyde
Mary Rawling

George Meeker
Charles Eaton

Michael Raffetto
Capt. Wm. Jaffe

Gregory Gaye
Henry Butler aka Gregor (as Gregory Gay)

Edgar Dearing
Claude Burns

Rebel Randall
Mable De Rose

Milton Wallace
Donald Adams

Casey MacGregor
Timothy Green

Gene Roth
Detective Morgan (uncredited)