 During her exploration of the grounds , Adrienne finds a secret chapel hidden behind a bricked off fireplace . After opening a locked box atop an altar , Adrienne unknowingly releases Carno 's demon , which promptly possesses Don . Don starts acting menacing and aggressively toward Adrienne , becoming progressively worse as time passes , culminating in a controversial scene in which he rapes Adrienne . Eventually , Adrienne meets Harriet Hockaday ( V. Joy Lee ) , a superstitious vagrant , and her strong but dim @-@ witted son , Cyrus ( Steven W. Bailey ) , who are secretly living in a barn on the estate . After Adrienne agrees to let them stay , they volunteer to them to help around the mansion . When a technician named Mike ( Carl Neimic ) visits the mansion to install the phone , Don screams at him in a jealous rage , warning him to stay away from his wife , much to Adrienne 's horror . Later , unbeknownst to Adrienne , Don bludgeons Mike to death . 
