Prequel series to Star Wars' 'Rogue One'. In an era filled with danger, deception and intrigue, Cassian will embark on the path that is destined to turn him into a Rebel hero.Prequel series to Star Wars' 'Rogue One'. In an era filled with danger, deception and intrigue, Cassian will embark on the path that is destined to turn him into a Rebel hero.Prequel series to Star Wars' 'Rogue One'. In an era filled with danger, deception and intrigue, Cassian will embark on the path that is destined to turn him into a Rebel hero.