To events \"Ice Age 3\" life of the main characters of the animated film suffered some changes. Mammoths Manfred and Ellie expect birth of the cub; the saber-toothed tiger of Diego fell into thought about, whether there was it too \"spineless\" in the company of the friends; an idler Cyd, raving desire to create own tribe, I decided to steal some eggs of a dinosaur. Having gone to rescue Cyd, friends get to the mysterious flora hidden under thicknesses of ice where they face dinosaurs and aggressive environment and also meet the dinosaurs hunter - caress by the name of Buck.
squirrel (who again in a random way I became fault of a global problem, having opened a way to the world of dinosaurs) still chases the nut, but this time it had a competitor - Skretti\'s squirrel , however, along with obsessed fight for a nut, these two fall in love each other.