James and Cassandra's uncle, who wanted nothing to do with the children following their parents' deaths, arrives unexpectedly in Walnut Grove and takes an interest in them. But it turns out he's interested in custody of them as well.moreless
Harriet is pressed to transform the Walnut Grove restaurant into a chain called "Mrs. Sullivan's." Meanwhile, Charles is left to gather the slack at home with Caroline so in-demand as one of the cooks.moreless
Carrie tags along for a school assignment, but Mary and Laura fail to keep a close eye on her. Their little sister wanders off and falls into an underground mine shaft.
Now that her beloved horse Bunny has officially been returned to her, Laura eagerly prepares to enter a local race. Angry and jealous about this, Nellie throws a tantrum until Harriet agrees to buy her an expensive thoroughbred from Sleepy Eye.moreless