Who put that bouquet of flowers on Paolo Libero's grave? Giulia is determined to find out. But Luca also has his own ghost to chase, because the clues that lead him to think that Remo is still alive are starting to become too many. Meanwhile, the search for a missing eighteen-year-old tells us once again that the world of teenagers can hide many secrets. The discovery of a man's body uncovers an intricate and ferocious family story in which it will be difficult for our heroes to figure out who the real culprit of the murder is. In the meantime, the investigations into Remo Damiani's gang continue apace. And in one long night, the fates of the men of the X, their loved ones, and their sworn enemies will be decided.