From the back cover:
"The inhabitants of the Demophon system face a threat far greater than that of the Empire: their sun is about to go supernova, destroying all life on the worlds around it.
"A band of determined Rebels must act to save those the Empire deems unfit to live while solving the dark mysteries of Demophon. Encounter the bizarre Ssithers and the monstrous Iagoin; struggle to survive the virus codenamed "Mynock"; battle your way into the heart of Imperial Security to rescue Rebel prisoners.
"This explosive new adventure collection features five exciting mini-adventures and an overview of the Demophon system."