The wide-loopers in the Texas Big Bend country were bold enough to make off with a herd in broad daylight and ruthless enough to shoot at the pursuing ranchers. Arch Carol, elderly owner of the Lucky Seven, was killed in the showdown, leaving the ranch to his sister in Chicago. Expecting an elderly spinster, Nelson Haynes figured he'd have no difficulty buying her out. But Leah Carol, Arch's half-sister, was a fiery twenty-year-old red-head born to the saddle.