Horse tries to recruit an army to defend Centaurworld, but no one wants to join. The herd visits the Horsetaurs' castle to see if they'll help.

Rider defies the general's orders and goes to the Nowhere King's castle to get the artifact. But her new horse, Becky Apples, isn't exactly cooperative.

Horse leaps into the Nowhere King's mind and learns his haunting backstory. Meanwhile, Rider and the herd come up with a plan.