The psychiatrist discovered that all the patients in the hospital acquired the power of "memory retrieval" after being trapped in the same day loop. Each time a patient is cured, he can go back 24 hours to correct the error, but each retracement will induce a strange recovery in the corresponding patient (the paralyzed person grows thousands of legs/anorexic eats light). The system forces him to cure all patients within seven days to prevent the end of the world, and the only female nurse who is not infected is using a bloody countdown to remind: Every intervention he makes accelerates the awakening of the Cthulhu embryo in the Dean's body.