Bianca is a failed painter, Zeno is a depressed underworld boss. They are brothers. In a desperate attempt to change their existence, they will be swept away by a spiral of violence that will lead them to the brink of self-destruction.

Nigredo

A brilliant neurosurgeon is found murdered in his operating room. The scene is disturbing. Those who killed him used the same tools as his specialty. Who is the killer? A psychopath? Anyone inside the hospital? Commissioner Lorenzo Aliprandi and his homicide team will fight against time to stop the killer who continues to kill without leaving any evidence behind him except a trail of blood.