Sixty years after the disappearance of the passengers and crew of the luxury space yacht Polaris, found empty and adrift in space, Alex Benedict sets out to uncover the truth about the Polaris and to reveal the fate of its passengers.

Interstellar antiquities dealer Alex Benedict receives a cryptic message asking for help from celebrated writer Vicki Greene, who has been mind-wiped. She has no memory of her life, or of her plea for assistance. The answers to this mystery lie on the most remote of human worlds, where Alex uncovers a secret connected to a decades-old political upheaval.

Alex Benedict and Chase Kolpath discover that a missing renowned physicist had several interstellar yachts flown far outside the planetary system where they vanished. Following the physicist's trail into the unknown puts Benedict and Kolpath in danger.

"After being lost in space for eleven years, Gabe finally makes his triumphant return to reunite with Alex and Chase and retrieve a possibly alien artifact--which may lead them to solve the greatest archaeological mystery of their careers, in the eighth installment of the Alex Benedict series. After his return from space, Gabe is trying to find a new life for himself after being presumed dead--just as Alex and Chase are trying to relearn how to live...