In darkest corners of the darknet, there are places where victims are held captive, psychologically tortured, live-streamed, then given a chance to escape if they confess their worst sins, preserving them online for eternity in Red Rooms.
Hirai Taro is a writer, who admires detective novels by Conan Doyle, Maurice Leblanc, and Edgar Allan Poe. He tries to get his own novels published, but newspapers and publishing companies show no interest towards his stories. The only person who reads his novels is Murayama Ryuko. They communicate with each other through letters. While writing his novels, Hirai Taro works low paying jobs and lives in poverty. He meets elderly Private Detective Shirai Saburo. Shirai Saburo teams up with Hirai Taro and they do private detective jobs together.
The heroes of the series are employees of a very modest St. Petersburg newspaper "Russian Horror Stories", who write about various anomalies and miracles.
Heart-wrenching, personal stories of unsolved missing cases and unexplained deaths that continue to baffle investigators and horrify those left behind. Each mystery is brought to life by unravelling the evidence, compelling viewers to hunt for answers as police continue to seek the public's help.
A stone-faced forensic examiner joins hands with a cop, a crime scene investigator and two women who become integral to the pursuit of truth behind a series of mysterious cases. Dragon City is bogged by another serial murder case that has resulted in the deaths of numerous female victims. Without exception, each victim is missing a part of their body. The team of investigators work hard to find a trail among the clues and they discover that under the eerie light is a glass container that carries the missing heart. Will Qin Ming find the killer in time to prevent more deaths?
Police officer Qiao Heng came to the haunted Pinghe village during the Chinese Republican era to investigate the murder case of embroidered shoes. Qiao Heng encountered all kinds of terror and bizarre events in Pinghe village. Successive death cases introduced the truth about the past secrets of Pinghe village. What is hidden in this small village?
Talented mathematician Anna Nikolaevna Shvabrina works as a school teacher. By the will of fate, she begins to help Captain Vershinin investigate complex crimes using mathematical methods. The main tools of the investigator are many years of experience and the basics of forensic science, Anna Nikolaevna is an impeccable knowledge of mathematical methods, formulas and models. It would seem that they are completely different, but it is thanks to this union that it will be possible to investigate the most difficult cases.