

Mysterious deaths have been occurring in the same towns as Miller's Circus and the Governor has sent Ken Kenton to investigate. Ken joins the show but when he realizes that Bargoff is involved, Bargoff has fled and taken Mary Hiller as a hostage. The trail leads to Baron Petroff who concocted the deadly chemical and Ken quickly finds himself the Baron's prisoner.
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Cast

Ken Maynard
Captain Ken Kenton

Lucile Browne
Mary Hiller

John St. Polis
Governor

Bob Kortman
Bargoff

Michael Visaroff
Baron Petroff

James A. Marcus
Colonel Hiller

Jack Rockwell
Ranger Jack Saunders

Frank Rice
Tin Star

Bobby Nelson
Jimmy Hiller

Jack Mower
Rurales Captain Rodriguez

Chief John Big Tree
Circus Indian
Buck Bucko
Spectator
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