Snow falls in the Valley for the first time, puzzling and enchanting everyone. But it's not long before everyone realized that these fun and fluffy white flakes are a threat to their survival. A visiting Stegosaurus herd fascinated Spike, and he decides to join them on their journey to escape the freeze. When Ducky secretly follows, Littlefoot, Cera and Petrie embark on their coolest adventures ever when they decide to brave the icy weather to bring back their missing friends. This chilling and thrilling escapade about friendship will warm your family's heart.