The story begins with Scrat whose extravagant activity of elusive acorns propels him into the cosmos. After landing into the universe Scrat inadvertently embarks a series of extraterrestrial events and experiences that change the Ice Age World and puts it into jeopardize. This uncanny and frightening incident leaves the Ice age world into terror.
In order to protect themselves they need to move of out of their places. In order to protect them from the harm, Sid along with Manny and Diego decide to leave their homes and move to a new land. The three of them with the remaining herd leave their places and move out on new lands. They have the most beautiful and amazing experiences of lives by moving to new and exciting places and meeting the lovely and colorful characters. They enjoy their time with this fun filled journey that has a lot of excitement and thrill.