When Charles receives a 4-week paid vacation from his employer, he and Caroline decide to leave the younger children with an aunt and travel back to their beloved Walnut Grove for a visit. They are both delighted to reunite with Laura, her family and their friends, and they even get an opportunity to stay in their old house while John and Sarah Carter are out of town. Unfortunately, what begins as a joyously nostalgic trip down memory lane becomes an unimaginable battle when the Walnut Grove community learns that another man has legal ownership of the land. The coldhearted Mr. Lassiter is willing to let the current residents keep their homes and jobs, but only if they agree to work under his control--a compromise that nobody is about to accept. Armed with rifles, anger, and unprecedented determination, the townspeople take the fight as far as they can, but when Mr. Lassiter uses his upper hand in the matter to force them all out, they reach a unanimous, yet devastating solution to even the score.