A parasitic creature able to inhabit and manipulate people hunts the last person on Earth who knows of the creature's existence.
Adventurer Alan Monroe is skeptical when a friend tells him of the secret society, Paladins of the Red Order, which exists to track the unearthly horror, the Shiftling. That is, until the Paladins are destroyed and the Shiftling begins to hunt the last person who knows of its existence: Monroe himself.
