Did a man commit murder out of jealousy and then take his own life? This is what local police believe, having found the body of the famous Venetian glassblower next to the charred corpse of his wife. At first glance, this version does not raise doubts...But the further the experienced Roman detectives Nick Costa, Leo Falcone and Gianni Peroni develop the case, the more clearly they understand: a double murder has been committed. And the key to solving it should be sought in the labyrinth of dangerous secrets that entangle not only the family of those killed, but also everyone who was associated with them...