When the blood of a brother is shed, Landry and the Templars are forced to take up their swords again.

Landry and Parsifal search for a killer; the unexpected arrival of Pope Boniface in Paris threatens De Nogaret's carefully laid plans.

On the pope's orders, Landry and Tancrede strive to discover the Holy Grail's whereabouts; meanwhile, the plotting behind the royal wedding becomes deadly.

A pagan helps Landry search his past; Gawain conducts a murder investigation; Princess Isabella is betrayed.

Tensions are high during Isabella's wedding preparations; fearing an attack, King Philip asks Landry and the Knights Templar for their help in protecting the palace.

Landry is kidnapped and tortured by a mysterious group; a knight is expelled from the Templars; De Nogaret builds an army; Princess Isabella discovers who betrayed her.