Join Marlene on a heart-pounding journey from the depths of alien oceans to the scorching deserts of Nevada. With the fate of the Sentinels and the galaxy hanging in the balance, can Marlene unlock her true power to ensure a future worth fighting for?

Stella Jayne Walsh, New York City’s top-rated trauma surgeon has never lost a patient—until the day she does. Her world shatters, and she’s swept into an adventure that launches her from Manhattan into alien worlds in the far reaches of space.