Before they could meet the mastermind they died. The only suspect was Heixon, But before they died, one of the victims, Serina called a girl, Azra, a young psychiatrist, and a strange thing, her name was saved as boss, but why? To know that, they went to Azra's clinic to meet her. When they went to meet her, they found out that Serina was battling clinical depression.
They asked her more about the victims. She said that she only knows about Serina as they were close friends. She said that Serina was very disturbed because of something and she wanted to leave everything and go. The officers knew that Serina was talking about the drug business. The officers knew that it was all because of the drug racket.
When they were solving the case they found that, till six months ago, there was no psychiatrist named Azra, who is she then? To know that, they went to her house, and what they saw there shocked them.
They saw her dead body with a letter with said I am guilty, with blood. They saw a man handcuffed in a prison-type room in the basement, near the man, they saw the heads of the victims in a glass box. They also found that the mastermind of the drug racket was the man who was handcuffed in the prison-type room.
When they were talking her dead body to the hospital, on the way, the corpse got lost and was never found. The officers in the ambulance with the corpse were dead. There was a letter which said, " It is a never-ending game, dear ", at the bottom of the letter was written, " with love, by Azra ".