If you have watched any of Michael Hirst's "Vikings" series then you will probably find this to be a potted version of some of those stories condensed (though it doesn't always feel like it) into 2½ hours or so. Essentially our eponymous hero (Gijs Naber) is the Fresian lord who is constantly at war with "Pepijn" (Jonathan Banks) who is the king of the Franks and his sworn enemy. The narrative focuses on the weaponisation of Christianity by the latter as a means of subjugating - frequently quite brutally - all who do not accept the doctrines of the Papal legate who insists on baptising…