Jimmy Dickens is a boy who calls the lawless frontier settlement of Go Go Town home. When Pero arrives in this fearful Wild West town, Jimmy joins forces with him to support Annie, recently orphaned by her father's killing. Go Go Town operates without any law enforcement, its citizens living under constant dread while awaiting a sheriff and enduring the persistent threat posed by the Cat Kingdom. Amidst this dangerous disorder, Jimmy focuses his efforts on aiding Annie.