Anna is the suggestive power of the paintings in a museum in Florence so impressed that she gets into a trance and is unconscious. When she regains consciousness, a young man offers her his help. In the hotel she again experienced a hallucination, and recognizes their true identity. Her name is Anna Manni, a policewoman and she has a mandate to find a serial killer who raped his victims before he kills them. When the young man from the museum with her in the hotel shows up, this is not a hallucination. He admits Alfredo Grossi, who lets her killer wanted to be brutal and uses of their mental state, but they escaped. It is now hunted mercilessly by Alfredo, who runs through more murders a bloody trail. For them the nightmare is just beginning really.
