Mysterious slavers attack the camp of the Hunting Pack, a small mercenary company. The leaders of the mercenaries chase after the slavers, trying to rescue their followers. The slavers ride unnatural monsters and wield strange weapons, which none of the mercenaries recognize. When the mercenaries tracks down the slavers, they find a strange portal in a cave in the middle of a swamp. A hidden world awaits the Hunting Pack and the chance to change history forever.