Alice is a child forced by his father to attend ski school. It is a dense morning fog morning, you don't feel like it, her milk of her weighs her on the stomach. She lost in the fog, detached from his companions, she lies on him. Humiliated, she tries to get off, but she ends off the track breaking one leg. She remains alone, unable to move, at the bottom of a snowy canal, asked if the wolves are there even in winter. Mattia is a very intelligent child, but she has a twin, Michela, delayed. The presence of Michela humilia Mattia in front of his peers and for this reason, the first time a classmate invites them both to her festival, Mattia abandons Michela in the park, with the promise that will soon return to her. These two initial episodes, with their irreversible consequences, will be the mark impressed in focus in the lives of Alice and Mattia, adolescents, young and finally adults. Their existences will be crashed, and you will discover closely united, yet invincibly divided. As those special numbers, that mathematicians call "first twins": two first neighbors but never enough to really touch. A debut novel that alternates moments of hardness and ruthless voltage to rarefied scenes and withholding emotion, of disconsolated tenderness and tenacious hope.