A new episode of the popular detective thriller series is released every month.

This time, the case is a mystery. The victim is a famous actress who was found dead in her apartment. There were no signs of violence, and the police are unable to find any evidence of a criminal attack. The only clue is that the victim has a black mark on her finger.

A private detective is hired to investigate the case, but he finds that it is not a simple murder. The truth will unveil itself when the police find the hidden secrets of the apartment.

What is the mysterious black mark? What is the secret behind the curtain?

A: In this episode, we will go back to the mystery of the apartment. We will find out the secrets of the famous actress who was found dead.