Morganna banishes King Arthur and the other knights by trapping them in ice. Merlin searches through time to find help in freeing the frozen knights. Merlin finds quarterback Arthur King, and his whole New York Knights football team and brings them to his time, The Medevil time.

Arthur must travel alone to Castle Morgana to save Guinevere and two of his imprisoned Knights (Lancelot and Trunk). Infiltrating the castle appears to be simple enough, but will he escape with his goals accomplished?

After welcoming a fleeing peasant into the sanctuary of Camelot, the peasant reveals to Arthur the location of one of the Keys of Truth which is known to reside within a church in the village of Wellton. However, Lady Elaine warns Arthur and his Knights of a premonition she recently has dreamt, foretelling the quest to gain the Key of Truth to be a trap.

Arthur has learned the location of one of the Keys of Truth - His own. Though getting out of Camelot to get the Key proves difficult, with the Warlord's blockade forcing Arthur and a small group of Knights to use Merlin's magical underground tunnel. Merlin is unaware that Morgana Le Faye uses her magic to discover exactly what the Knights of Justice are up to and so sets a trap near the tunnel's exit. Can this trap be sprung?

After enduring yet another siege attack on Camelot, Arthur decides that it is time to go on the counter offensive to rescue a Unicorn captured by Queen Morgana. The Unicorn is the key to finding all the Keys of Truth and whoever possesses the mystical creature will hold the advantage over their rival.

A magical being named Krisian comes to Camelot to inform Merlin that her father and Merlin's good friend Reicus is being held prisoner by a Sea Serpent. After Everett forces Arthur and his Knights to battle the Warlords, the Knights find help from a village and in fear of reprisal against the village, Arthur goes on alone with Krisian despite her warnings of a probable trap.