Laying on the Missouri-Arkansas border, the neutral Border City, its female mayor and city council, take no side in the ongoing Civil War and they're prepared to hang any troublemaker, Yankee or Confederate, who stirs the townsfolk up.

There's a deficit of good, honest women in the West, and Roy Whitman wants to change that. His solution is to bring a caravan of over 100 mail-order brides from Chicago to California. It will be a long, difficult and dangerous journey for the women. So Whitman hires hardened, cynical Buck Wyatt to be their guide across the inhospitable frontier. But as disaster strikes on the trail, Buck just might discover that these women are stronger than he thinks.