Landry is joined in his mission by fellow Templar Knights Gawain (Pádraic Delaney), Tancrede (Simon Merrells) and new recruit Parsifal (Bobby Schofield), but all is not well in the Brotherhood, as old wounds and differing beliefs will threaten to tear them apart. Landry is also dealing with the royal family, which has problems of their own. France is currently enjoying a tenuous peace with England, but a large portion of that hinges on the betrothal of King Philip IV (Ed Stoppard) and Queen Joan Of Navarre's (Olivia Ross) young daughter, Princess Isabella (Sabrina Bartlett) to the Prince of England. Unfortunately, Isabella has her own ideas of who she'd like to marry and they could threaten all the plans of the king's advisor, William De Nogaret (Julian Ovenden), and the country itself.
Source : https://www.cinemablend.com/television/1735819/knightfall-review-history-channels-new-medieval-drama-is-packed-with-action-and-surprising-twists
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