Lieutenant Commander John Byrne of the Naval Secret Service and his partner Pvt. Bill Riggers chase criminal Dr. Sin Fang, who is desperate to find a lost sacred seal. (The fifth and only surviving episode of a six-part serial about an evil mastermind inspired on Sax Rohmer's Dr. Fu Manchu.)
H. Agar Lyons
Fred Paul
Wally Patch
Fred Rains
Evelyn Arden
Score: 6.7
Score: 6.7
Score: 0.0
Score: 0.0
Score: 0.0
Score: 5.8
Score: 5.7
Score: 0.0
