No one knows where Area X comes from—a deadly territory teeming with anomalous phenomena. No monsters run there, no trophies are brought back, and treasure hunters don’t operate there. A secret government organization sends one research expedition after another into Area X, but most of the time they don’t return—or they return, but in an elusive and terrifyingly changed state. Can a new, twelfth expedition into Area X finally achieve what the predecessors couldn’t, and unravel the mysteries of this cursed place? Leaving behind names and former lives, four women—psychologist, biologist, surveyor, and anthropologist—set out to meet an alien, inhuman secret…