With the advent of the ice age, animals are in a hurry to migrate to warm places and store food. Mammoth Manfred, Sid Sid, and Tiago, the saber-toothed tiger, lost the ranks of animals to migrate in order to help a human baby return to its parents. Three animals with different personalities feel that they have gathered their strength to help the baby. Along the way, the kind Manfred always thought that Tiago was up to something and wanted to eat the baby and was suspicious of each other. After going through numerous difficulties and obstacles together, they were finally able to face each other sincerely. When the companion of Tiago the saber-toothed tiger knew that there was a baby beside him, they were hungry and cold. They wanted Tiago to give the baby to them as food. Tiago had developed feelings for the lovely baby and could not do it. How should Tiago choose? Can the baby get home safely?