Veran and Harka face each other in a challenge only one of them can survive. Cait is forced to face her destiny.

The end appears to be close for the Cantii, and Aulus unveils how the Roman Empire truly conducts business.

Cait and her band continue their quest to reach Lucius because of his knowledge of the Spear. Hemple is furious that Veran seems to have got the better of her.

Aulus hears Widicus's concerns about the behaviour of the new arrivals. Cait and Antedia continue their partnership.

Divis gets one last chance to prove himself. Meanwhile, Cait's newfound happiness is cut short as Phelan tries to right his wrongs.

Philo and Brutus play a prank, but their timing couldn't be worse. Harka sends Veran a message.

Cait is shocked by the revelation that a traitor is in their midst. Hemple, still with Amena at the Villa, plans another feast to satisfy Lokka's hunger.

Aulus returns from his trip to the Underworld. Willa reveals that if Cait secures the Spear of The Silver Dawn then the tribes will be united.

In 43 AD, a nation is rocked by the arrival of an Empire.

Cait and her father seek shelter in the ruins of their old home, where she is visited by someone she never expected to see again.

Still searching for Lucius and his knowledge of the Spear, Cait takes the fight to the redoubt, and to all those who are waiting for her.

King Pellanor disowns Kerra and leaves her life in the hands of the Druids. But the gods' judgement is not what he expected.

Aulus is reborn, but his destiny remains unclear. Cait is able to locate her father, but she can't free him from the Roman camp alone.

Having marked Rome's arrival with blood, Aulus sends envoys to parlay with the tribes of Britannia, while also looking to learn more about the Druids.

Two years after the invasion, a dead man awakens who could spell the end of everything.

In the wilds of Britannia, Cait considers her next move, while Ania and Willa broker a meeting between Veran and Aulus.