Coop and Charlie ride into a small village for supplies finding it deserted. There is an Indian who stays hidden and later three men and a woman ride into town. They have been looking for the woman's father in a cave filled with bats.

Ordered by Major Adams to guide three passengers to a campsite up a haunted mountain, Flint does so but with caution: rumours that an escaped group of Aztecs now live there, almost 400 years after Cortez wiped them all out.

Dissatisfied with Charley Wooster, Hale and Hawks push for a new cook - a Chinese cook named Ah Chong.

Despite the advice of some Coop decides to visit former girlfriend Eloise Blee, but finds Eloise gone, and instead winds up being talked into posing as her twin sister Betsy's missing husband and father of her baby daughter.

Charlie has finally found someone else who shares his dream of man being able to fly, henpecked inventor Hector Heatherton, who has been working on an idea for building a flying machine so Charlie volunteers to build a machine for Hector.

Jack Hanford built his wealth to give his son. He turns it all down to honor his Cheyenne heritage when his mother dies. To make matters worse in his son's eyes, he had sent for a woman he briefly met to replace her even before she died.

Old salt Cappy Darrin is on the train with his orphaned grandson Tuck. But Cappy's daughter granted custody of Tuck to his uncle, and as their parting nears Cappy finds he is reluctant to let Tuck go.

Laurie and Ricky Bell uproot and go West, leaving their comforts in Baltimore. When she announces she is pregnant, he is less than happy as he feels she has just made their lives more complicated especially where it concerns his needs.

Flint, at a grave, sees a man stabbed in the back with a note saying Deliver to Beauty Jamison. As that is the daughter of the man interred he pays a visit and sees a woman trying to continue a legacy with the locals trying to break her.

Bill Hawks is leading four wagons through to California when they are stopped by Tiburcio Mendez and his band of renegades, who demand they turn back. Mendez and his group claim that California is their land and that it was stolen by the later settlers. A judge traveling with Hawks' group believes that Mendez has a legitimate grievance which could be addressed by the legislature in Sacramento, and against Hawks' warning goes in to Mendez' camp to talk with him. When Hawks follows, both he and the judge are taken prisoner.

Coop tells Bill the story of the Earp brothers and the Silver Lady, a woman who was encased in a coffin of sliver coins that melted around her after the stagecoach she was riding on and guarded by Morgan Earp had an accident and burned.

Flint must find a way to get the wagon train around a snow covered pass. On a scouting trek, he meets a father and son who are willing to help him but they want to hike up the mountain. The adventure ahead has surprises for them all.

Trying to give her son a chance, Maidie Brant is found by the wagon train. Needing fresh horses after a cougar attack, she is reluctant to say why she won't go back to town and buy some but would rather pay top dollar for the Major's.

A Quaker schoolteacher heads to the Arapaho nation on the wagon train when her husband is killed. She meets the Chief and his willingness to fight another Indian nation puts her right in the middle of each tribe's pride and customs.

An Army general announces he is taking over the wagon train and requiring all members to act as soldiers in helping him rescue a trapped cavalry garrison of 120 men who are otherwise likely to be slaughtered by hostile Utes. Flint, temporarily in charge of the wagon train, has little choice but to agree to the general's demand, as much as he hates it and his passengers want him to fight back. Particularly upsetting to Flint is learning that the man who recommended this takeover was Jim Bridger, a legendary frontiersman and scout who mostly raised Flint and whom he idolized.

Everyone wants to help pretty Melanie Craig after her husband is killed in an accident so four men fight over who will be the one to court and marry her. Also, Rudd Basham, father of three boys, uses the wrong ideas about women to win her.

Don Charlie is a gambler and womanizer and makes no excuses for it. When he meets a woman who wants to marry him there may be trouble because the Major promised her uncle that she would make it safely to San Francisco.

Flint and a long time Sioux Indian friend reunite but trouble is brewing as the Cheyenne are on the warpath and in their way is Fort Hastings, an old flame of his and her new Army Captain fiancé.

Taking a dangerous route through the desert to join up with the wagon train, a small band of settlers take a turn for the worse when they lose the one man leading them, their scout, and now differ on where they need to go now.

Adams' "distant" cousin Horace arrives hoping to be a wagon master. His trading skills allow him to steal the crew and vendors from Adams but when Adams confronts him with the decisions he must make on the trail, there are second thoughts.

Bill Hawks is caught with three Indian grave robbers being chased by the Indians. He is the only one captured and is to be killed until he and the Chief's daughter fall in love. However, the leading brave has other ideas for her and Bill.

Bitter alcoholic Stevenson Drake develops a dislike for the even tempered John Hollister, a fellow Southerner, when he learns he didn't fight for the Confederacy. He also is bothered by the friendliness between his wife and Hollister.

Tough and headstrong female ferryboat captain Samantha Stewart is asked by her son Johnny and his bride to accompany them on the wagon train to California, where they will board a ship for a Pacific voyage. But actually, Johnny is not telling his proud mother that her doctor has told him that she must stay with a dry climate on land or she will die.

Flint escorts a wagon, leaving the train, to their new home. When they meet an old man with a wagon load of uncured buffalo skins he's trying to sell, they invite him along as he appears friendly enough. But Flint feels he's too friendly.

Flint find a young man bleeding to death and a knife nearby. He takes the body to sheriff who identifies the man as the youngest Zamora brother. His father is on the train from Spain. He feels duty bound to kill the murderer.