Following her forced departure from Fourline, Natalie Barns has been aching to rejoin the struggle to overthrow its evil dictator. With Soris and those she left behind constantly on her mind, Nat bides her time, determined to find a cure for the duozi-those infected by the terrifying Nala. An unexpected discovery propels her back to those she has sworn to protect, but her reappearance in Fourline is anything but straightforward, particularly when familiar faces appear when least expected. Despite the warnings of her friends and the looming threat of the vengeful Nala queen, Nat joins the fight in Fourline, both in her mind as well as on the field of battle. Her decisions may salvage Fourline's future but at the risk of her own horrifying fate.