Guy (Ryan Reynolds), Eep (Emma Stone), and the rest of the wacky family known as the Croods return to entertain, amaze, and awe animation lovers. When they all stumble on another family whose technological advancements seem too much for them to handle, the titular kin members have to make a choice to embrace the future or go back to living in the past. Meanwhile, Guy's romance with Eep is tested like never before.