Mel Hastings is haunted by his wife Alice’s fading memories of a Martian vacation, a delusion he gently dismisses until tragedy strikes. When a devastating accident reveals Alice isn’t who she seems to be, Mel is plunged into a terrifying reality: his beloved wife possesses an alien biology beyond comprehension. Driven by grief and a desperate need for answers, he embarks on a perilous journey that forces him to confront not only the truth about Alice but also a deeply buried fear of space itself—and a conspiracy far grander than he could ever imagine.