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.

Top Cast

Boris KarloffJames Lee Wong

Grant WithersPolice Capt. Sam Street

Maxine JenningsMyra Ross

Evelyn BrentOlga Petroff / Countess Dubois / Sophie Dome

George LloydDevlin

Lucien PrivalAnton Mohl

John St. PolisCarl Roemer

William GouldTheodore Meisle