Professor Biondi is a depressed scientist. After his wife's death, he lives isolated from the world in the Nevada desert, near Area 51. He supposedly works on a top-secret project for the US government, but in actuality, he spends his days on the couch, listening to the sound of the Universe. His only contact with the outside world is Stella, who organizes alien-themed weddings for tourists on the prowl for extra-terrestrials. One day the Professor receives a message from Naples: his dying brother is entrusting him with his two children, so that they may live with him in America.

Davide is a shy and nerdy 13-year-old teenager who lives in Rome, in the Esquilino district, with his mum Asia. He spends his days with his friend Yang, constantly trying to escape from the school bully, Nadir, and dreaming of winning Jasmine's heart. Passionate about movies on martial arts, Davide tries to regain self-confidence when he meets Martino, a broke b-movie actor, pretending to be a kung fu master to make his living.

Martino, a young entomologist in a sentimental crisis, returns to Rome to find his beloved uncle. As soon as he arrives, his uncle asks him to babysit the daughter of some friends. Once arrived at Linda's home, the little girl, Martino finds out that along with her there is also Lulù, her eccentric and unpredictable grandmother. Everything becomes more complicated when Martino receives the phone call of Tea, an old love encountered by accident right that afternoon. The woman is in danger and asks him for help. Martino, excited about the idea of saving her, is forced to bring the grandmother and child into a series of adventures and misadventures, encounters and unforeseen events, around a nocturnal Rome, seeking a new love.

Dario, recently retired, suffers from inexplicable crying fits. One day, he decides to visit his son Mimmo, who has just started working away from home. Mimmo, embarrassed by the unexpected intrusion, avoids the meeting. Dario spends the day with Clara and Mirco, Mimmo's flatmates.

Davide is a shy and nerdy 13-year-old teenager who lives in Rome, in the Esquilino district, with his mum Asia. He spends his days with his friend Yang, constantly trying to escape from the school bully, Nadir, and dreaming of winning Jasmine's heart. Passionate about movies on martial arts, Davide tries to regain self-confidence when he meets Martino, a broke b-movie actor, pretending to be a kung fu master to make his living.