A prehistoric family are forced to flee their cave after it's destroyed by a disaster that threatens to change their lives forever in this animated adventure featuring the voices of Nicolas Cage and Emma Stone. As a protective caveman father leads his family out of harm's way, the clan crosses paths with a resourceful teen named Guy (voice of Ryan Reynolds), who offers to help them reach a distant land where they'll be safe from an impending catastrophe that will soon alter the entire world. Catherine Keener, Clark Duke, and Cloris Leachman round out the cast of vocal performers.