In the difficult Roman neighborhood of Tor Bella Monaca, Mauro, recently abandoned by his girlfriend, is about to discover whether evil is something one is born being, or one becomes.

Well-known writer Ettore takes his family on a mountain chalet getaway for his birthday, in an effort to create a bond between his two sons, Claudio and Giulio, and his second wife, Margherita. The group is also joined by Margherita's brother, Claudio's girlfriend, a Ukraininan cook and her daughter. When an internet outage strikes, a series of exciting adventures ensues.

On Christmas Eve, three friends dressed as Santa Claus are arrested in what looks like an attempted burglary and charged with being the infamous "Santa Claus Gang". While trying to prove their innocence to the police, the trio explains why they found themselves in such a strange situation...