In the summer of 1943, Gina, a student from a wealthy family, falls madly in love with Betto, an intrepid Jewish boy who is part of an underground organization. An original, intense and forbidden relationship arises between the two that takes place in the course of one of the most impressive tragedies in recent European history. After the bizarre fall of Mussolini, Rome is plunged into a storm of violence that will culminate in the occupation of the city by Hitler's troops. On the other hand, when the SS prepare to capture all the Jews of the Jewish quarter, a sophisticated deception will be devised in the Tiber Island hospital to save a good number of people: the so-called "K Syndrome". The idea of narrating this formidable story arose when someone contacted the writer Jesús Sánchez Adalid and informed him of the existence of documents of inestimable value. Nobody knows for what reason these historical data remained without coming to light for eight decades, kept in the secret of so