When grunge punk UCLA history major, Kate Jensen researches her great-grandfather's descent into hysteria at Lima Peru's infamous "Casa Matusita", she unwittingly starts a dangerous journey of discovery. En route, she meets former priest, Father Robert who has his own agenda with the alleged cursed property. Together, they embark on a trek through time, unravelling the truth and the connection to Robert's brother, who perished at the house under suspicious circumstances.
On the night of November 13, 1974, Ronald DeFeo, Jr. took a high-powered rifle and murdered his entire family as they slept. At his trial, DeFeo claimed that "voices" in the house commanded him to kill. This is their story.