In 700 AD, Northern Europe is fragmented into two realms: the Frisians, Saxons, and Danes inhabit the land above the rivers, while the Franks reside below, seeking to dominate the continent as the Romans failed to do. To achieve their goal, they introduce Christianity as a tool of enslavement, focusing on Europe's primary trading hub, where King Aldigisl of the Frisians holds sway.

Redbad
In a tumultuous era, Redbad, the Frisian leader, wages a brutal war against his longtime rival, Pepin of Herstal, the mighty Lord of the Franks, for dominance over the region.