An Italian professor seeks refuge in the quiet, peaceful ruins of an old building.

In August 1961, speleologists from Italy’s booming North arrive on a Calabrian plateau where time stands still. The intruders discover one of the world’s deepest caves, the Bifurto Abyss, under the gaze of an old shepherd, the only witness of the pristine territory.

In the summer of '75 Pier Paolo Pasolini's film, "Salò", is stolen from the lab where he is editing it. This is just the first step of an intricate plan that will bring the great poet to his violent death.