Facing uncertainty as her life as a Slipstreamer begins to intrude on her career as a professor and archeologist, Cassidy escapes a fight against the elements again only to become ensnared in a world of political intrigue as she investigates the exile of the President-elect of Impasto! Then it's back to snow-covered tundra where she must defeat the Tuurngait, a polar creature of myth and legend that guards an impossible disc with the power to run cities on clean energy for generations.