Professor Murray is conspiring with the evil Wardens, Kalo and Tera, to create chaos in the Overworld. The evil Wardens had grown powerful and faster with the help of Professor Murray, who has found a way to collect energy from lightning bolts using an Artifact from the Woodland Mansion.
Professor Johansson and Beatriz’s invention was no match to the strength and speed that Kalo and Tera now possessed.
Will Calvin and the rest of the gang find a way to capture the vile group before they become unstoppable? Can the father and daughter scientists create a device that can contain the enemies? Are there other individuals in the Overworld who can help capture the most dangerous creatures in Minecraft?