Lancelot recreates the tales of Arthur and the Knights of the Round Table, as told in Sir Thomas Malory's Le Morte D'Arthur.

Parts 1 and 2 follow Lancelot's arrival at Camelot, his rise to become the best knight in the world, and the completion of the Round Table.

Part 3 then follows the Quest for the Holy Grail, the high point for Chivalry, in which the best knights came near to God, but which led to the destruction of the Round Table.