Spring 1938. Ettore Majorana, a young physicist with extraordinary abilities, disappears under mysterious circumstances. When the head of the fascist police, Arturo Bocchini, closes the investigation on Ettore, the younger sister does not give up and convinces the two older brothers to continue the research alone. This is the beginning of Maria, Salvatore and Luciano Majorana's journey. A journey through false tracks, dreams and memories, in search of the truth.