Samuele is thirty and he has been collecting failures his whole life. He is a dreamer by profession, unlucky with relationships, always concerned not to be up to the standards. He would like to become a creative advertiser even though his projects are duly rejected. That is why he is a precarious and underpaid reporter during the day, while at night he is in charge of the little Astronomical Observatory of Perinaldo, entitled to the famous astronomer Gian Domenico Cassini. One day, something unexpected happens: a girl called Emma comes to the Observatory on San Lorenzo’s night. He falls in love with her and offers her a dinner at his place but he makes a single, huge mistake: he falls asleep. When he wakes up, Emma is gone and has left a mysterious trace behind her. How could he find a woman he knows nothing about?