Taking refuge from a world-ending flood on an Ark constructed to save the animals, Dave and Hazel struggle to save their respective children, Finny and Leah, after they tumble from the Ark and into the dangerous waters outside.
As tension rises on Noah's ark, an accident sends Finny and his friend Leah overboard and separates them. Now Finny must figure out how to find Leah, find his way out from where he ended up, and return to the ark before the tension onboard reaches its boiling point.