A flood is imminent, threatening the world. Two clumsy Nestrians, Dave and Finny, find refuge on an Ark built to save all animals, despite being excluded. They sneak on board with the help of a Grymp family, but their kids accidentally fall off. As Finny and Leah fight to survive the flood and predators, their parents must put aside their differences to turn the Ark around and rescue their children.

All Creatures Big And Small
A desperate father and son, Dave and Finny, join a select few to escape a catastrophic flood on a majestic Ark, designed to preserve all animal life. Unapproved for rescue as Nestrians, they hatch a plan to sneak on board, leading to a thrilling and emotional journey.