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.New knowledge intense experiences and the race against time will also test the strong character of the Commissioner who determined to discover the killers will have to face all the challenges without sparing himself.