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.