An ISB Agent arrives on the ISD with a small group of imprisoned rebels, they surrendered like cowards in a nearby system, and the ISB believes that the rebels were part of the Rebellion Suppy and Logistics Corps, however more information is needing to be extracted, the ISD, being the nearest Imperial location with 'enhanced interrogation' facilities, is given the burden of interrogating the Rebels, however, these Rebels don't intend to give-up their info without a fight.
