A deadly plague spreads through Camelot. When it seems that sorcery can be the only possible explanation, Merlin and Gaius race to find a cure, while Gwen is arrested and sentenced to death for practising witchcraft.
Stars: Colin Morgan, Angel Coulby, Bradley James
Director(s): Julian Jones, Jake Michie
Writer(s): Julian Jones, Jake Michie
Genres: Adventure,Drama,Fantasy