In a prehistoric world filled with dangers and wonders, a family of cavemen lives in constant fear of the unknown. Led by Grug, an overprotective father who fears anything that might disrupt his routine, the Croods spend their days in a safe cave, avoiding anything that could pose a risk. However, the family's life takes an unexpected turn when their home is destroyed. Forced to leave their refuge, they embark on a journey into the unknown.
During their journey, the Croods encounter a world filled with incredible creatures and breathtaking landscapes, but they also face challenges that threaten their unity. The main conflict arises between Grug and his youngest daughter, Eep, who longs for freedom and adventure—the exact opposite of her father's philosophy. Eep meets an innovative young man named Guy, who has a more optimistic and modern approach to survival. This encounter sets off a series of events that lead the Croods to question their values and rediscover the importance of family and change.
Amidst laughter, emotions, and a touch of action, the story reveals how each family member can grow and change alongside one another. In the end, the Croods must not only learn to face the future together but also embrace the unknown as part of their journey toward survival and self-discovery.