Columbia's 7th serial (between Flying G-Men and Overland With Kit Carson)was based on the King Features newspaper comic strip created by Lee Falk and Phil Davis, Mandrake the Magician, the world's foremost exponent of mind over matter, although most of us who read the strip over the years were never really certain whet…

Buck arrives in the town where his outlaw twin brother Gil Brady is also located. Benson is after the Todhunter ranch and he has his henchman kill Todhunter. Then he claims Buck is actually Brady and he is the murderer. Buck is saved from the lynch mob by his friend Spud and must now find a way to prove Benson guilty.