Although postmaster Cullen Reagan is a strict "go by the rules" man, he secretly wrote letters to a mail-order bride for an area rancher, because the man couldn't read or write. Rose Leander, one of the Flying Leanders, a famous circus tightrope act, is injured in a circus train accident. Wanting to start over in a quiet frontier town, Rose answers a mail-order bride advertisement. Cullen is caught between a rock and hard spot when the rancher abandons...