It tells the story of the pirate captain Nym and his hunt of his nemesis Sol Sixxa on the planet Maramere.
Star Wars Starfighter: Crossbones was supposed to include only alien characters; author Ramón F. Bachs was explicitly asked not to include any Humans. However, he convinced the rest of the team to include one Human as a background character in the cantina. That Human was a caricature of Star Wars fan Skippy Farlstendoiro, who has met Bachs many times usually disguised as a Mon Calamari. As such, "Farlstendoiro" appeared next to a Mon Calamari. Furthermore, another human appeared in the first issue: Vana Sage (in a hologram).