Follows the adventures of Jyn Erso as she trains under Saw Gerrera and learns how to become a proper rebel, preparations that come in handy when she is asked by the Rebellion to find out about the weapon that her father is helping the Empire construct. When Jyn Erso was five years old, her mother was murdered and her father taken from her to serve the Empire. She was taken in by Saw Gerrera, a man willing to go to any extremes necessary in order to resist Imperial tyranny. Jyn dedicates herself to the rebel cause, and to Saw. When she faces an unthinkable betrayal that shatters her world, Jyn will have to pull the pieces of herself back together and figure out what she truly believes in-- and who she can really trust.