When Amanda Vanderbilt is attacked at a party, she hides in a cowboy's horse trailer to elude the masked man suddenly stalking her relentlessly. Bruce Palmer is on a mission to pick up horses for his boss across country in Seattle. A loner, he wants nothing to do with the pretty blonde he finds stowed away. But like it or not, he's been lassoed into the mess, and it's now his duty to protect her. Who is the masked man and why is he chasing them in a semi?