Duncan MacDonald, a 19th-century Royal Canadian Mountie, has to escort a group of Cree Indians back to their above-the-border reservation. His guide in this endeavor is the not-too-trustworthy half-breed Natayo.

Lynn Markham moves into her late husband’s beach house…the morning after former tenant Eloise Crandall fell (or was pushed) from the cliff. To her annoyance, Lynn finds both her real estate agent and Drummond Hall, her muscular beachcomber neighbor, making themselves quite at home. Lynn soon has no doubts of what her scheming neighbors are up to, but she finds Drummond’s physical charms hard to resist. And she still doesn’t know what really happened to Eloise.

Buffalo Bill and Wild Bill Hickok join forces to establish a mail route that can get mail from St. Joseph, Missouri, to Sacramento, California, in ten days. Along the way they must battle bad weather, hostile Indians and outlaws intent on robbing the mail and shutting down the entire operation.