Kane Blueriver and his AI companion, Canal, are trouble contractors who accept jobs requiring their unique skills. These assignments range from armed escort and patrol duties to the capture of dangerous criminals. Milly is a private investigator who strives to be the best at everything (uchuu ichi!!). When the trio joins forces, they encounter one disaster after another, slowly unraveling a mystery that connects the legendary Lost Ships to their shared pasts. This draws them ever closer to a discovery that an entity known as Nightmare would prefer they never uncover...