A college-educated farmer named Joe Coulter moves to Walnut Grove and tells the farmers of a new hybrid of corn that would produce good crops, and he even agrees to collect everyone's money and take a trip to purchase the corn for everyone. After a an accident on the way home, Joe is unable to return on time, causing everyone in town to feel cheated.
An ex-policeman murders his wife, and sets up a complicated false trail and apparently flawless alibi in order to cover his tracks. The Chief has to find a way to crack the man's seemingly perfect defence, in order to prove that he is guilty.
Stagecoach passengers refuse to take the next stage when an outlaw gang threatens to attack.
The Santee family---Will, his mother, and his younger sister---join the wagon train under a false surname. They have been forced out of town after town because of a terrible thing a family member did.
