While evil forces descend on Argentina, humanity’s best hope, a once-legendary shaman is confined to an insane asylum, powerless to avert the demonic resurrection.

Marcelo Di Marco is a writer turned journalist, who must return to the last steps of his father, Tonio Di Marco after he dies in strange conditions.

Leni is young woman haunted by memories of her past - her parent's death, her abusive ex-boyfriend - and tormented by nightmares that add to her mounting anxiety. Is the monster that stalks her real, or just a manifestation of her mental pain? And how entwined in the truth behind her own madness is Leni?