A strange inscription on the inner wall of the coffin of a Spanish priest buried alive, the nightmares of the old gardener Daniel, who miraculously survived a fire in the monastery, the missing son of Dr. Audrey Barrett, the betrayal of Judas, the last words of the crucified Jesus - the mysterious and terrible events of the past and present add up to a tricky puzzle that only Albert Cloister, a Jesuit, researcher of supernatural phenomena, and an employee of the Vatican secret organization “Wolves of God” can solve. But even he does not know that the path to truth leads him to the underworld.