A young girl has mysteriously disappeared in Rome. As rain lashes the ancient streets, Clemente and Marcus sit in a cafe and pore over the details of the case. They are members of the ancient Penitenzieri - a unique team linked to the Vatican - and trained in the detection of true evil. Soon, they will uncover a terrible secret."

Six severed arms are discovered buried in a forest clearing. They are arranged in a mysterious circle, and appear to belong to missing girls between the ages of 8 and 13. The rest of the bodies are nowhere to be found. Criminologist Goran Gavila is given the case.

Everyone forgets the 'disappeared': the hundreds of eyes that stare out from the missing person board of Italy's dark-hearted city. No one has the time or energy to find them - no one but Mila Vasquez, a fiery young officer struggling with a damaged past. Finding the people that everyone else has forgotten is what she lives for. But what if some of these people wanted to disappear? To be swallowed into the darkness so that everyone forgets they were ever here. And now they have started to return, with strange and horrifying intentions. They seem identical at first, but something has changed...