Camelot's knights must defend the castle from dangers found beyond the borders. Guinevere travels alone to meet her father, and Arthur follows secretly.

Cast: Joseph Fiennes, Jamie Campbell Bower, Tamsin Egerton, Claire Forlani, Peter Mooney, Philip Winchester, Eva Green, Sean Pertwee, Lara Jean Chorostecki, Chipo Chung, Sinéad Cusack, Jamie Downey, Diarmaid Murtagh, Daragh O\'Malley, Anna Skellern