Back in the Year One AD, Zed and Oh, two unconventional cavemen, are banished from their tribe for eating from the Tree of Knowledge. Determined to make the most of their misfortune, the pair set off on an epic journey through an ancient world that will be familiar to anyone who's ever glanced at the Bible. On the way they encounter a multitude of biblical characters from Adam and Eve to Abraham and Cain - already bullying his ill-fated brother Abel. But their journey takes a turn for the worse when they stumble upon a Roman settlement and end up getting enslaved