Nai embarks on a search for a missing loved one, armed only with a lonely bracelet as a guide. However, their journey takes an unexpected turn as they cross paths with a thief named Gareki, who drags them into a government plot and marks them as outlaws. Despite the challenges they face and the pursuers on their tail, Nai and Gareki rely on the protection of the nation's elite defenders, known as "Circus," to aid them in their quest.