A group of college students decide to make a documentary on the psychological causes which lead to an apparent demonic possession. Since they can not find a real case to show, they decide to include in the project a young girl with a perfect profile to play this role, but remain trapped in a dangerous game with unexpected events.

The Pig Gang has captured Livandro; the old man is tied up next to his friend Morando, right in the middle of their dilapidated bowling alley. Giancane, the Pigs' boss, tortures them to discover their trafficking. The old men secretly seal psychotropic medicines and their dealing has grown to the point of annoying local crime. A grotesque comedy with pulp tones that reflects on the position of the elderly in modern society.

Karminio tells about the time when chameleons, because of their bright red color, were easily spotted and eaten by predators, especially dinosaurs and black birds. To avoid extinction, one of them proposed to change their color by painting themselves green, so as to camouflage themselves.