As Christianity spreads throughout their lands, a Viking clan becomes divided and on the brink of a bloody feud. But when a ship full of dead warriors returns to shore, the clan’s religious conflict becomes the least of their worries as the dead begin to rise. Series explore the brutal and treacherous world of 9th century Vikings, fused together with a survivalist zombie element as the most fearsome raiders in human history find themselves on the receiving end of an invasion by a terrifying horde of the undead.