When Doctor Andrea Fanti loses 12 years of memories from a brain injury, he finds himself adjusting to a world full of strangers.

A masked killer wreaks havoc in a small Italian village, and the police have no leads as the murders get worse with every passing day. A blogger steps up and tries to solve the case, and when he finds a pattern, people around him start dying.

Don Matteo is a thoroughly ordinary Catholic priest with an extraordinary ability to read people and solve crimes. He’s a parish priest who never met an unjustly accused person he didn’t want to help.