In the vibrant and dark Paris of the 19th century, a brutal murder shakes the tranquility of the city when two women are found murdered in their apartment. The only clue is a strange sound of screams coming from the crime scene. The police, stunned and without leads, seem trapped in an impossible enigma. A renowned detective, known for his wit and nothing less than his passion for puzzles, decides to take the case into his own hands.
As he delves into the Parisian underworld, the detective encounters a series of eccentric characters, including an intriguing journalist seeking fame and a mysterious criminal who always seems one step ahead. As the investigator unravels a labyrinth of lies, clues, and dark secrets, he discovers that the victims had connections to dangerous occult societies and a disturbing link to the local circus.
However, what initially appeared to be a simple murder case quickly turns into a journey of terror, where the detective must decipher not only the facts of the crime but also confront his own psyche. With danger lurking around every corner and the boundaries of time pressing, this game of wits will lead the detective to a final showdown that could cost him more than he ever imagined. In this battle of mind against mind, nothing is as it seems.