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Jyn ERSO is the daughter of Galen rose, a rebel Scientific engineer, forced by the Empire to build a weapon of mass destruction known as the Black Death. Jyn tried for fifteen years to forget his father, him for dead, as long as a deserter pilot not delivered a secret urgent message, from Galen himself. Together with Captain Cassian Andor and his Imperial droid reprogrammed by the rebels, the girl part was then seeking parent and a door to stop the doomsday plans of the evil Emperor.