"In the desolate Croton Breaks of West Texas a spectral creature with a six-inch pawprint has spooked livestock of late. When British-born cattle baron Basil Wolverton is found dead outside his own ranch gate, cowhands and nesters whisper of an ancestral curse, the dire wolf of legend. Sir Basil's executor calls in detective Derrick Miles and his assistant Dr. Frank Hooper to deduce whether there's been a crime committed ... or some diabolical force...