Fathers Josef Kou Hiraga and Roberto Nicholas serve as Vatican Miracle Inspectors, probing the genuineness of reported wonders worldwide. Each ostensibly holy incident conceals sinister plots, enigmatic killings, and demonic cults. Amid this clash of virtue and vice, Hiraga—a prodigious scientist and mathematician—and Roberto—a versatile scholar of languages and antiquity—must collaborate to unveil the reality. Will their bond and conviction withstand the darkness they confront while seeking a genuine miracle in the perilous corridors of faith amid relentless shadows that test their resolve for ever.