What is the ending story of the first knight?

In the film "First Knight," the story culminates in a tragic yet heroic conclusion. Sir Lancelot, portrayed by Richard Gere, sacrifices himself to save King Arthur and his beloved Guinevere from the treacherous Sir Malagant. Despite their deep love for each other, Lancelot chooses honor over personal desire, leading to a poignant farewell. The film closes with Arthur reaffirming his commitment to his kingdom and the ideals of chivalry, even in the face of personal loss.