Ooops! Noah Is Gone...

It's the end of the world as a colossal flood bears down. Dave and his son Finny discover an ark built to save every animal, a salvation devised by a pair of bumbling Nestrians. But Nestrians are not allowed on board. Through the involuntary help of Hazel and her daughter Leah, two Grymps, they manage to sneak aboard and believe they're safe. Until the curious kids fall from the ark. Now Finny and Leah must endure the deluge, outwit hungry predators, and strive to reach the summit of a distant mountain, while Dave and Hazel set aside their differences, turn the ark around, and race to rescue their children. It's hardly smooth sailing.