Digging for fossils to learn about Earth's prehistory is obsolete. Utilizing new technology developed by the Avant-Garde Astrophysical & Paleontological Research Institution, a team of scientists embark on an expedition to the prehistoric past, but when the time machine malfunctions, the team gets stranded across multiple different eras of Earth's evolution. Pitted against hostile environments, vicious creatures, and even each other, the survivors teeter on the edge of endurance as they struggle to find a way back home.
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