Ten murders in the gloomy and shadowy corners of a city leave the cops baffled. Each victim had a common link—a diamond playing card—pointing towards a deadly game and hinting at serial murders.

With scarce time and immense pressure, Kabir must unlock the web of deceit and find answers to the hidden questions. Will the detective stop the murderer before the final card falls, or will the city lose its key players in the game of Solitaire?