The McDonnells and Cassidys prepare themselves for all-out war. Elliot and Helen face a race against the clock to stop any more bloodshed.
Elliot receives a surprise visit from Ethan, and the pair work together to track down Helen. Meanwhile, tensions are reignited between Elliot’s family and the McDonnells.
Olaf and Kåre gather their forces to invade Kattegat. Palace intrigue over control of England’s throne results in an unexpected turn of events.
Olaf makes a pact with Kåre as Kattegat prepares for its defense. In Canute’s absence, his father, Sweyn Forkbeard, shares England’s throne with Edmund.
Freydis returns to Kattegat and joins a sacred order. Canute solidifies his power in England. Kåre revisits the holy site of a childhood trauma.
On a pilgrimage, Freydis and her party are savagely attacked. Harald and Leif seek a route through the marshes near London as Edmund is crowned king.
The team are called in after the remains of a celebrity chef are found in a local park.
As the situation at the hospital worsens; Nathan makes a huge decision regarding his career. Brooke and Julian take Jamie for the day, while Victoria and Millicent hatch a plan.
Max runs into an old boyfriend, when she accompanies Caroline to see her father in jail.
