As Merlin and Arthur adapt to their new roles in a dystopian London, they investigate a series of mysterious deaths linked to a powerful dark magic. Their efforts lead to a brutal confrontation that tests their bond, while old adversaries resurface, complicating their mission and their deepening relationship. 

SYNOPSIS:

In a world ravaged by destruction, Arthur is resurrected and rejoins Merlin to face a new dark age, navigating the ruins of modern London to uncover and thwart a powerful magical enemy whose very existence threatens the survival of humanity. As they reunite with old friends and enemies, they must also confront personal challenges in life and love, battling their inner demons and rediscovering the bonds that once made them legendary.

This is a sequel to the BBC series 'The Adventures of Merlin'.

MERLIN: WINDS OF CHANGE (EPISODE TWO)