Knighton is buzzing with festivities on the graduation day of new knights, Clay Moorington, Aaron Fox, Macy Halbert, Lance Richmond and Axl. In the middle of the event, royal jester Jestro humiliates himself in front of a crowd and runs off to royal wizard Merlok’s library. He finds the dangerous Book of Monsters and start summoning monsters that tear the place apart. Clay enters and tries to stop him but fails. The only hope is that Merlok has a final trick up his sleeve before he dies.