Framed for murder, Dewey "Mac" McKenzie is running for his life. Though he's never even made a pot of coffee, Mac talks his way onto a cattle drive as a chuckwagon cook. Turns out he's as good with a pot and pan as he is with a gun. But trail boss Deke Northrup is one mean spit in the eye, and has soon made enemies of all the men. When Mac learns that Northrup is planning to double-cross the herd's owner, he stands up to the trail boss and his henchman. Mac is outgunned and outnumbered, but he's ready to serve up some blazing frontier justice.