The horror is real. Darwin and team face off against a cult hellbent on resurrecting the world's deadliest disease.

When thieves steal holy relics from the Vatican Museums, he suspects the antiquities cartel he shut down is still operating. But something doesn't add up.

As Darwin chases evidence of the saint's bones from Rome to Kyrgyzstan and Warsaw, he meets an investigative reporter who links them to a series of devastating attacks on remote Siberian villages. Has someone genetically engineered a bioweapon?

With time running out and no government willing to investigate Russia, Darwin must put an end to this doomsday group before it unleashes unspeakable terror on humanity.