The biggest shock of the premiere comes from Bjorn Ironside. In a bold move to establish his own authority while his father is incapacitated, Bjorn publicly arrests Floki for the murder of Athelstan. This sets a dark tone for the season, as Floki is left bound in the town center to face judgment.
Bjorn takes command, though his decision to arrest Floki is met with mixed emotions from a recovering Ragnar. [S4E1] A Good Treason
The episode opens with the Vikings returning home after their massive raid on Paris. However, the victory is overshadowed by a dying King Ragnar. He is haunted by visions of Valhalla closing its doors to him, leaving him in a feverish state of spiritual and physical crisis. The biggest shock of the premiere comes from Bjorn Ironside
With Ragnar ill, Queen Aslaug consults the Seer about her own future on the throne, showing a clear shift in her loyalty. Bjorn takes command, though his decision to arrest
In Hedeby, Lagertha deals with her own usurpers, reclaiming her power through calculated violence. Vikings - S4E1 - A Good Treason | Project Fandom