Prologue: Cassius 1 - In Orbit Over Juventus

Maria is the future queen of the rich planet of Juventus. After a kidnapping attempt by her childhood friend and fiance, Azrael, she dissapears and her brother, Cassius, has to track her down.
When the Juventine army rebels and the solar system is forced in to Chaos, the three of them, Maria, Cassius, and Azrael find themselves seperated as a new power rises around them.

A space opera and a subversion of the damsal in distress trope.