She stops the launch. The explosion kills her. She doesn't stop.
On her first day as a nuclear missilier at Bunker Hill Air Force Base, Sarah Honeypott - single mother, third attempt at the exam, the kind of person who has memorized the manual twice - prevents an unauthorized Titan II launch that would have triggered World War III. The explosion that follows kills her.
What she becomes next is unlike anything the genre has seen.
Halfway around the world, archaeologist Mark Zatold unearths a Nazi-era metal box buried at the ruins of the Temple of Musasir in Iraqi Kurdistan. Inside: a golden ram statue covered in cuneiform warnings about Pazuzu - documented king of the Mesopotamian wind demons, bearer of storms, bringer of plague. His possession mechanism is ancient and precise: physical contact, one vessel to the next. Within days he has moved through an ISIS fighter, two U.S. Army officers, and a compromised general, each transfer climbing higher up the American military chain of command - all of it pointed toward a nuclear silo in the New Mexico desert.
Sarah stops the launch. The blast destroys the bunker. The oxygen runs out.
She gets up anyway.
As a ghost, Sarah discovers she can pass through walls, handle physical objects, and enter living bodies - the same possession mechanism Pazuzu has used for four millennia, now running in the opposite direction. Armed with a consecrated iron shard and a Vatican exorcism rite she repeated phonetically while dying, she strikes the ancient entity four times before he retreats.
Four thousand years. First time anything has hurt him.
Bunker Hill moves from the ruins of Iraqi Kurdistan to the Moscow nuclear command center to the underground silos of New Mexico, grounded in documented history: Pazuzu appears in Mesopotamian cuneiform texts dated to 800 BC. The Temple of Musasir was real. The SS archaeological division that buried the statue was real. The Vatican's archive of possession rites is not publicly accessible.
Everything else is fiction - or the other kind of fiction: the kind that knows it is true and has decided to say so anyway.
Sarah Honeypott will return.