Starring Ken Maynard, Lucile Browne, John St. Polis, Bob Kortman, Michael Visaroff
Directed by Alan James
Runtime: 59 min.
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.