The series is about a mysterious serial killer who keeps the whole city in fear and terror. All attempts to find the killer have failed. As a result, experienced detectives Rauf Eyvazov and Kanan Orujov are assigned to find the killer. Each murder carries a message and makes the crime case more complicated.

Muslim prince Ali and Georgian aristocrat Nino have grown up in the Russian province of Azerbaijan. Their tragic love story sees the outbreak of the First World War and the world’s struggle for Baku’s oil. Ultimately they must choose to fight for their country’s independence or for each other.