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.
In the fall of 1960, Father Thomas Riley and Father John Thornton were sent by the Vatican to investigate a miraculous event in an Irish home for 'fallen women', only to uncover something much more horrific.
