 In order to marry Guinevere, King Leodogran's daughter, King Arthur must find a knight to defeat Leodogran's champion.Arthur chooses Lancelot, who mortally wounds his opponent.On the way back to Camelot, Lancelot foils an attempt on Guinevere's life by Sir Modred, Arthur's illegitimate son; and before the end of the journey, Lancelot and Guinevere realize their love for each other.