Story
Un oficial de narcóticos convence a un preso, al que él mismo envió a Alcatraz, para que le ayude a infiltrarse en una red de contrabando de heroína. La extraña pareja viaja desde San Francisco a Vancouver y, finalmente, a un rancho en Tucson, que es donde se encuentran los jefes de la mafia...
Reporter (Uncredited)
After a rare gem is stolen from an exhibition at a posh hotel, Inspector Farraday decides to recruit former thief Boston Blackie to find the stone. Along with his assistant, "The Runt", Blackie focuses his investigation on the hotel manager, George Daley, and his sister, Eileen. Through disguises and ruses, Blackie and the Runt try to trick their way to discovering the thieves.
Rope Jumper (uncredited)
Un ambicioso compositor de musicales, dotado de un mal de ojo hipnótico, se ve mezclado en la promoción de un boxeador.
