After being wrongfully terminated from the Investigations Agency of Polaris, our Protagonist struggles to find a piloting job that doesn't have him blacklisted. With no options left, he joins the mercenary ship of Aetos to continue supporting his ill sister and to find a way to clear his name. Embarking on missions with the stoic captain Iris, the cheery engineer Vaela, the playful doctor Luna, and the suave navigator Kai, the team will travel across multiple star systems and meet all sorts of personalities!