The Demons Have Arrived

Divorced from her cheating husband, Faith is forced to move back in with her elderly grandmother. Exploring the home, she discovers a secret room in the basement. Inside, she finds some mysterious words scrawled on the wall. Inside , she finds doors to alternate realities. Still pining over her husband, she enters through one portal wherein she and her husband are still together in an "alternate reality". But she soon realizes that her divorce from him may have been more than a blessing in disguise as she witnesses the evil that he's capable of.