A Neapolitan professor (Valerio Mastandrea), since he lost his wife several years earlier, lives isolated from the world in the Nevada desert next to Area 51. He should work on a secret project for the US government, but in reality he passes his days on a sofa listening to the sound of Space, in search of the voice of the dear wife. The only contact for him with the world is Stella, a girl who organizes weddings for tourists in search of aliens. One day he receives a message from Naples: his brother is dying and he entrusts his children to the professor, they will go to live with him in America. Anita 16 years and Tito 7, arrive expecting Las Vegas and instead find themselves in the middle of nowhere, in the hands of a tearfully uncle, in a strange and mysterious place, where they say that the aliens live ...