A busca incessante de Scrat pela bolota amaldiçoada, que dura desde tempos imemoriais, tem consequências de fazer mudar o mundo um cataclismo continental que dá origem à maior aventura de sempre para Manny, Diego e Sid. No rescaldo destes eventos, Sid reencontra a sua avó e a manada encontra perigosos piratas que estão determinados a impedi-los de regressarem a casa.
In 1856, slave Eliza plans to marry George with the consent of the Shelbys, her masters, but George's owner prevents the wedding. A few years later, Eliza flees with her son, Harry, after learning the Shelbys plan to hand them over to a crooked creditor to prevent foreclosure. George also escapes and goes on the run while Eliza and Harry are captured and brought back home. Mother and son are separated as George tries to find them both.
Popeye skates over to Olive's house to give her a Christmas present: ice skates of her own. While he's teaching her, Bluto skates up and gets fresh; of course, Popeye fights him. When Olive rejects Bluto again, he sends her careening on an ice floe towards a waterfall.