Sold by her father at eighteen, Y/n became the city’s most desired entertainer—but behind her beauty hides a deadly secret. Known only as The Siren, she is the most feared assassin in the underground world, a ghost no one survives long enough to identify. When powerful Italian mafia boss Alessandro Moretti hires her for his empire, obsession, danger, and betrayal collide as enemies hunt the mysterious woman capable of destroying them all.