The Battlestar Galactica and its ragtag fleet of ships finally arrive at the Earth, only to discover that the planet is not prepared for the inevitable Cylon invasion.

Albert Quinn Ingalls wants to be a doctor. But soon he discovers that he is fatally ill. He decides to spend the rest of his life in Walnut Grove. Meanwhile children from school are preparing for their traditional climbing of the mountain.

While Charles and Caroline are visiting Walnut Grove, the townspeople learn that a land development tycoon has acquired title to all the land in Hero Township. They are inspired by Laura to vent their anger at this injustice.

During preparation for Christmas baby Rose Wilder is kidnapped by the woman who recently lost her child. Looking for her Laura, Almanzo and Mr Edwards meet lonely orphan boy, who finally stays with that woman.

Follow a lost mobile phone as it is passed around to random people. There's just one thing no one realizes: the owner of this phone is dead.