A lifeless body dangles grotesquely from an upper floor—marking the first victim of the elusive psycho-killer known as Mr. Frog. The city reels in horror, and the only clue left behind is a chilling, childlike confession note.

As detectives race to profile the killer, narrowing their suspects to known psychopaths and mentally unstable criminals, they begin to wonder: are they solving the case—or playing right into the killer’s twisted game?

With each new victim, fear spreads like wildfire, threatening to derail the investigation and plunge the city into chaos. Trapped between a panicked public and a cunning murderer, the police must confront the darkest corners of the human mind.

This gripping psychological thriller will keep you guessing until the final, shocking moment.