Synopsis

Ragnar, gravely weakened by illness, returns to Kattegat, and his apparent demise ignites a fierce competition for leadership. Elsewhere, Lagertha finds herself embroiled in a dangerous game of power with Kalf, her shrewd former second-in-command. Rollo, rejecting his Viking roots, chooses to remain in Frankia. And Floki faces the consequences of his merciless actions against the Christian priest.