It's the Early Cretaceous period. Herds of sauropods, hadrosaurs, and ceratopsians are abundant in the territory of a pack of Utahraptors. The pack was in the middle of running down their next meal when they were distracted by a bright light in the sky. The next thing the pack knows, they find themselves in a strange place. It wasn't their territory. The pack didn't recognize the wildlife here. They need to find food. Perhaps they could eat these weird colorful big-eyed mammals they found.