The series tells the story of several successful people from Belgrade, among whom is Bojana, an aesthetic surgeon. At first glance her life looks perfect: husband, friends and success at work, soon her life changes radically.

After a horrible massacre in a village where twelve people lost their lives, the killer shoots himself in the head, but with a strange combination of circumstances, he still remains alive. Petar, a BIA operative, is trying to figure out what actually happened because the killer, before he shot himself, uttered the word "katabaza", the same one that his late son said before he committed suicide. The psychologist Natasha helps him in that, who, unlike Petra, rationalizes the whole case, and does not think that there is anything mysterious in it.

The modern theater is preparing for the premiere of the long-awaited play that was a huge success in the mid-1980s. However, as the entire ensemble eagerly awaits the big night, they begin to receive anonymous threats. In order to solve the case, Svetlana Sorga, an experienced inspector of the Belgrade Police Department, begins the investigation. On the night of the premiere, a famous actor dies on stage while performing a suicide scene within the play. As Inspector Sorga digs deeper into the case, she becomes both intrigued and frightened by the strange world hidden behind the theater's curtains. Despite the challenges she faces, Sorga is determined to uncover the truth and determine whether the actor's death was an accident, suicide or murder.

The main character – philosophy professor Radomir Pavlovic is at the peak of his power when he sets out on that journey – young enough and yet not old enough to understand everything that will befall him on that journey.

When Eliza Scarlet's father dies, he leaves her penniless, but she resolves to continue his detective agency. To operate in a male-dominated world, though, she needs a partner... step forward a detective known as the Duke. Eliza and The Duke strike up a mismatched, fiery relationship as they team up to solve crime in the murkiest depths of 1880’s London.