Los Angeles 1944: the city is shocked by mysterious murders seemingly without meaning or connection - there's a woman dressed in black, a politician, a corrupted... policeman - Is there a link between them? Will be someone able to unravel the mystery? One person is given the task of unravel it, risking his own life. Detective John Pileggi will face the worst case of his entire career: the murder of Susanne Long, the "Lady in Black". And from that moment on, his life will never be the same.