His friends try to help him, but Jorah Tightwad and his Bots get in the way. The Nexo Knights decide to use Clay to infiltrate the enemy camp but first Clay needs to learn how to be a good spy.

In a medieval, but futuristic, world, young knights Clay, Aaron, Lance, Princess Macy and Axl are tasked with protecting the kingdom of Knighton from Jesto and the army of Lava Monsters. The evildoers ...

When the Nexo Knights are sloppy in a fight with Jestro, Merlok 2.0 sends them back to the Knights' Academy. Not only for a brush-up but to find out what Jestro is after in its hallowed halls.