Adrian Tchaikovsky, acclaimed author of Day of Ascension, delivers this epic novel following Irixi, a determined skink Starseer, as she navigates treacherous waters to locate a lost Seraphon vessel. Joined by the fierce Vael Scar-Helm and the resourceful Perlo, the trio races to claim the ship's riches and forbidden secrets. What begins as a salvage mission spirals into something far more sinister—a hidden threat that jeopardizes the very fabric of the Great Plan and all who serve it.