Professor Dal Colle finds a mysterious fresco in a church and then discovers a disturbing truth that dates back to the times of the Inquisition. He then decides to give an interview to a young journalist but mysteriously disappears before he can talk to him. Eager to complete his piece and intrigued by what Dal Colle would reveal to him, the journalist begins to investigate what happened, bringing to the fore a disconcerting reality about the inhabitants of a small Friulian village.

Three classmates in a high school risk failing and their last class test - which went terribly wrong - would be the straw that breaks the camel's back. However, the papers have not yet been corrected and the three decide to break into the school at night to steal their homework and replace them with corrected ones. But entering the school building holds many surprises for them and some terrifying encounters that the three would never have expected.