A thief and a priest end up magically transported in the year 0's Palestine, where they'll have to make sure that the Nativity will follow its course.

For Arturo, a forty-year-old actor, success has finally arrived: the TV series in which he plays a separated father is doing quite well. Unexpectedly, however, comes the flipside of his popularity: Mirko, a boy who recently lost his father, has replaced him in his imagination with the character of Arturo. The media is going wild, and the presence of Enrico, the actor's agent, becomes increasingly pressing.

Milan is a Belarusian immigrant who arrived in Rome with the dream of being able to change his life but, unable to take advantage of his degree in engineering, he finds work as a fake centurion, in front of the Colosseum and dealing with the crowd of tourists with whom he has his photo taken. His employer is Sergio, a former stuntman and self-styled invalid who is busy with a thousand imaginative jobs just to make some money and who shares a house with his sister Maria, a hotline operator. As the competition in front of the Colosseum becomes increasingly tough, Milan devises a plan to defeat everyone and, using his university studies, builds a real chariot with which to attract as many customers as possible.

A police inspector has to help an eccentric stranger who seems to have lost his memory.

Lorenzo works for a rent-a-friend company. One day, his services are required for suicidial businessman Alberto.