Although he is still struggling with his wife's death, Lansford adjusts well in Walnut Grove and bonds with everyone in the family, especially Laura. Unfortunately, another tragedy threatens to tear them all apart just as things are really starting to look up.

The townspeople of Walnut Grove have no idea what they're in for when the three Galender brothers settle in. The oldest two run up large bills at the Mercantile and mill, and the youngest boy causes problems at school. Everyone tries to take Reverend Alden's advice and give the Galenders a chance, but when their crimes turn violent, the community's religious loyalties are tested.