A chemical manufacturer is killed just after asking detective James Wong to help him. So Detective Wong decides to investigate this as well as two subsequent murders.
A chemical manufacturer is killed just after asking detective James Wong to help him. So Detective Wong decides to investigate this as well as two subsequent murders.
Boris Karloff , Grant Withers , Maxine Jennings
Harry Grundstrum
Monogram Pictures ,
as James Lee Wong
as Police Capt. Sam Street