Envoy by Yume Kitasei

Five Astronauts Boarded an Empty Mystery

Envoy begins with five astronauts sent to investigate an alien spacecraft. They find it empty, returning from a mission whose central discovery is an absence—and carrying questions that remain unanswered for the next ten years.

The Anniversary Ends in Murder

On the eve of the mission’s tenth anniversary, one member of the crew is killed. The surviving astronauts are forced to look back at the supposedly vacant ship, the people who entered it together, and whatever may have happened beyond the version of the expedition they have lived with ever since.

The decade-long gap gives the mystery room to fester. Memories can shift, loyalties can harden, and a crew once united by contact with the unknown can become a circle of suspects who each understand how much was never explained.

The Alien Ship May Not Have Been Empty After All

The murder turns a first-contact puzzle into an intimate investigation. Whether the danger came from the spacecraft, from something brought home, or from the astronauts themselves, the killing suggests the mission’s real consequences were merely delayed.

Tor Books publishes Envoy on July 20, 2027. Yume Kitasei’s fourth novel combines the locked circle of a crew mystery with the haunting possibility that humanity’s most important encounter was misunderstood from the start.