Cheyenne interrupts a stagecoach attack but when it crashes he is left to take care of the lone survivor - a baby. Cheyenne learns that a land grabber murdered to get his claim, then Cheyenne must protect the dead man's heir - the baby.
On his way to a new job in New Mexico, Cheyenne rides upon a stage being robbed. Scaring them off after killing a robber, he finds the only survivor is a baby. He takes the baby to town where the sheriff first suspects Cheyenne attacked the stage and then refuses to take the baby due to handling the robbery investigation. When he seeks help in town, he is forced to rely on the piano player Amy Gordon at the saloon. Leaving the baby with Amy, he rides out to see his new boss Blake Holloway at his new ranch. Blake bought the ranch from the government after the previous owner died with no heirs. It had been passed down from generation to generation from an old Spanish land grant. Returning to town he is stopped by a group of Mexicans. He finds out the orphan may be a land heir if their leader Sancho Mendariz is to be believed. They spot Blake's lawyer being dragged to death by his horse after leaving Blake's house drunk. The only person standing in the way of the baby getting his ...Written by