With Morpheus caught off guard, John settles in at a diner to watch the people around him — and put his theory about truth and lies to a terrifying test.

While preparing for a journey to Constantinople, Harald assembles an unlikely crew, each with their own motives. Emma suspects Godwin of treachery.

The travelers make a deadly miscalculation on the way to Constantinople. Olaf sets off after Harald, and Emma’s paranoia pushes her over the edge.

Freydis finds a new home. Harald formulates a daring new plan to take back Norway, but Leif’s not on board. A new threat appears in London.