Technology made time-travel possible, but using it changed everything – more T-Rex stampede than Butterfly Effect – and marooned the pioneers. But now, in a complex deep in the Cretaceous jungle, a man claims to have solved the time-travel problem that’s been keeping humans stuck in the past for generations. Two different groups with very different goals have caught wind of his boasts. Which side will you choose, and what will the repercussions be for the present and the future?