The Croods family was living their best life in their new home, a beautiful cave filled with all the modern amenities they could ask for. Grug (Nicolas Cage), the patriarch of the family, had finally found a sense of peace and stability after years of wandering through the prehistoric wilderness with his wife, Ugga (Claudia Black), and their three kids, Thunk (Clark Duke), Gran (Emma Bunton), and Guy (Ryan Newman).