A group of friends on the threshold of adulthood are going to a party. Stuck in traffic, they decide to make a stop. But the neglected place they find themselves in evokes in Mattia an ancient feeling that will make him plunge into his own self.

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.