Guido Anselmi, a film director, finds himself creatively barren at the peak of his career. Urged by his doctors to rest, Anselmi heads for a luxurious resort, but a sorry group gathers—his producer, staff, actors, wife, mistress, and relatives—each one begging him to get on with the show. In retreat from their dependency, he fantasizes...
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...