Chinese detective Sherlock, a new secret room mystery, a big star is actually involved in a murder case? In 2013, a bizarre and sensational murder case occurred at Tsui Wah Hotel. It was a mysterious secret room murder case. There were only two people at the scene, the victim and the suspect. However, the suspect, the popular star Lu Fan, denied the murder and claimed that someone had planted him. The door was locked at the crime scene. Outside the balcony was nearly a hundred meters in the air. The balcony next door was a few meters away and it was difficult to cross. Even in the past, there was surveillance outside the next room. It seemed that there was no need to investigate this case. The murderer was Lu Fan. However, Lu Fan insisted that someone had framed him. As the police conducted an in-depth investigation step by step, they did find doubts. However, it is difficult to restore the murderer's criminal methods. If there is really another murderer, how did he create the secret room?