When a deadly virus returns to wreak havoc across the planet Solaerys, seasoned depth-hunter Dav'ian follows up on his late father's investigation into a disturbing inter-clan conspiracy. His estranged daughter Alv'a discovers she's been infected and has mere weeks to live. Dav'ian's race against time accelerates as he scrambles to get Alv'a healed and restore his clan's honor.
Lady Ais'e battles for her life against three mountain banshees inside the Inai premises, while trying to figure out what really happened to the harbortown residents. Meanwhile, with J'enna's help, Kem'var tries to make contact with Dr. Ayanna Siggenfir, the pioneer of the hybrid cure to the plague.