When a school in a nearby town is in need of a temporary substitute, 15-year-old Laura finally gets her start as an teacher. For the first time, Almanzo seems to notice that she is growing up.moreless
Fed up with his overbearing wife and his lack of authority over the children, Nels packs up and heads out for an indefinite period of time. While running a mobile mercantile of his own, he stays at a boarding house owned by Molly Reardon, a beautiful Irish woman who shows him the respect and appreciation that he's never had at home.moreless
Almanzo and Eliza Jane get a visit from their kid brother Perley Day, but after a few days with him, they quickly remember why the boy has been so estranged from the family over the years.moreless
Determined to make it through the winter season, a pair of men earn money by selling tainted meat to the Walnut Grove community. Several townspeople later become infected with anthrax, including Laura, Albert, Adam, Alice, and Nels. The victims are confined to the blind school, and with time running out to help them, Charles and Jonathan go out to retrieve some medicine.moreless
When an eccentric old woman loses her home, Laura and Albert intervene.
Charles and Jonathan leave Walnut Grove on a profitable business trip. Meanwhile, Laura develops a crush on a classmate.