A chilling wave of fear grips the city as a shadowy serial killer stalks the streets, leaving investigators baffled and desperate. Every lead turns cold, every attempt to identify him proves fruitless. Now, with panic rising, the pressure falls on seasoned detectives Rauf Eyvazov and Kanan Orujov – their expertise is the city’s last hope in this terrifying hunt for a killer who seems to vanish into thin air.