Kingdom Force are on duty to protect Mayor Honeyclaw's key, but what are they supposed to do when it looks like it's been stolen by one of their own?!

Artie is trapped inside of a Funbit-possessed rocket train, and it's up to Kingdom Force to save the day. But can they do it when the train is also packing EVERY villainous item from the past, ready for Funbit to use against them?!