Moscow. In one of the houses, the body of a mannequin model is found. Above the headboard of her bed, an intricate monogram in the shape of the letter “M” is hanging—written in blood. Her blood. A day later. A lecture at the Serbsky Institute. The lecturer is a young, beautiful woman—and she is lonely. She has no idea that in thirty minutes her life will change in the most radical way… One day before the ritual murder. A solitary box for the mentally ill. Always apathetic, the Mad Lisa falls into a trance and claws a mysterious sign onto her chest. Nights grow longer… And the bloody monogram will appear again and again…