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.
A Police SWAT troop is entering an abandoned factory where a sadistic serial killer named 'The Spider' detained his victims. The entire squad is massacred and for Doctor Leemen, psychiatrist and profiler, is the last unbearable defeat. So, he decide to leave the case and return to his ancient work...
A boy goes to a hairdresser and reads a comic while waiting for his turn. The comic's episodes are interspersed with the boy's wait, which becomes increasingly dangerous and disturbing.