The Whoop-Up Trail is two hundred miles of rough terrain between Montana and Canada, littered with spiky brushwood, crawling with clawed and fanged critters of all shapes and sizes, and traversed by hostile Indians and vicious outlaws. But for Luke Garrett-framed for a murder he didn't commit, saddled with five mail-order brides, driving what's left of his cattle herd, and pursued by vigilantes-it's the only chance for survival.