What does it take to become a Stepford wife, a woman perfect beyond belief? Ask the Stepford husbands, who’ve created this high-tech, terrifying little town.

With the impending ice age almost upon them, a mismatched trio of prehistoric critters – Manny the woolly mammoth, Diego the saber-toothed tiger and Sid the giant sloth – find an orphaned infant and decide to return it to its human parents. Along the way, the unlikely allies become friends but, when enemies attack, their quest takes on far nobler aims.