When the Kings discover their biggest fan is a boy named Hilo, they regale him with greatly exaggerated stories of their heroism. But when Hilo takes off to emulate their heroic deeds, the boys are forced to rescue him with skills they do not possess.

Brady and Boomer discover Vault 14, a secret vault deep inside their regular vault, which protects the islands' most phenomenal objects. They discover a Duplicatus Plantus, or ditto plant, and the Kings clone themselves.