Lancelot is banished from Camelot because King Arthur thinks he made a false claim against King Marhaus. Outside Camelot, Lancelot encounters Marhaus and discovers and evil plot.

While Sir Lancelot is on a mission for King Arthur, he is robbed and his horse is killed by a group of wild warriors.

On St. Stephen's Day, King Arthur and his knights traditionally change places for one day with the court squires. During the day, one of the ""squires-for-a-day"" steals the Sword of Excalibur.

A young knight's prospective father-in-law has been kidnapped and is being held prisoner. Sir Lancelot agrees to help the knight rescue the man.

As a punishment because he rebels at working with Merlin's pigeons, Squire Brian is sent on an errand to deliver a crate of pigeons to a neighboring castle. En route, he becomes involved with a gang of thieves who stole the precious Ruby of Radnor.

While preparing for knighthood, Squire Brian uncovers a plot by King Marhaus. The king plans to break a treaty and take over a village.

While visiting Mortaise Castle, Queen Guinevere is presented with a priceless jewel from the Rajah of Kaipur. Shortly afterward there is a fire, and during the excitement the jewel is stolen.