 One night, Lancelot and Elaine are visited by Percival, who relates how a heavenly vision instructed him to go on a quest for the Holy Grail, the cup from which Christ drank at the Last Supper.Modred calls a meeting of Arthur's enemies in Scotland and urges them to make peace so that Lancelot will be forced to return to Camelot, where he will eventually be exposed as Guinevere's lover.Word of peace reaches Arthur at Camelot at the same time that Lancelot's infant son Galahad, whose mother, Elaine, died in childbirth, is brought to court with instructions that he be sent to Lancelot's father.