Amy's dream of creating her own cookbook is about to be realized when Matt's dream of tripling the size of Roloff farms ignites a dramatic battle over the future of the farm.

With Jeremy away at school and Molly about to leave for college, the Roloffs embark on a once-in-a-lifetime trip to the land Down Under. It's an emotional journey when Zach brings his girlfriend and Jeremy returns to find the family has changed.