After completing a successful cattle drive as the chuckwagon cook, Dewey "Mac" McKenzie signs up for another one on the Goodnight-Loving Trail, deep in New Mexico Territory. Pursued by a gang of ruthless killers hired by his enemies, with an ornery trail boss and the cattle owner's spoiled son as his crew mate, Mac sets off on a route overrun with kill-crazy rustlers and bloodthirsty Comanche. When the owner's son is kidnapped, the courageous cook has no choice but to jump out of the frying pan and into the fire.