A series of gruesome murders is taking place in New York, with victims found mutilated and bearing a mysterious equation on their skin. As the police investigate, they uncover a pattern of victims forced to choose between sacrificing themselves or a loved one. The killer, driven by a desire to solve a philosophical enigma, seems unstoppable, pushing Captain Maclean and his team to their limits.

The Killing Gene
A former hitman tries to make amends by engineering a detective's encounter with the catastrophic consequences of his own past errors.