Blackie is seen leaving a Chinese laundry where the proprietor has been murdered, and must track down the real killer in Chinatown.

Chester Morris
as Horatio 'Boston Blackie' Black

Maylia Fong
as Mei Ling

Joan Woodbury
as Red, the Bar-Girl

Don McGuire
as Les, the Bus Guide

Richard Lane
as Inspector William R. Farraday

Sid Tomack
as The Runt

Frank Sully
as Sergeant Matthews

Charles Arnt
as Pop Gerard

Luis van Rooten
as Bill Craddock (as Louis Van Rooten)

Philip Ahn
as Wong Chung Shee
CinemaSerf
It doesn't seem to matter just how many times "Blackie" (Chester Morris) helps the police, they alway jump to the conclusion that he's the guilty party whenever there is a body! This time, he leaves a laundry only for the owner to be found dead. "Insp. Farraday" (Richard Lane) and his nice but dim "...