The tight-knit Garvey sisters have always looked out for each other. When their brother-in-law winds up dead, his life insurers launch an investigation to prove malicious intent—and set their sights on the sisters, all of whom had ample reason to kill him.

A dysfunctional family moves from the city to a small town into a house in which terrible atrocities have taken place. But no one seems to notice except for Patricia “Pat” Phelps, who’s convinced she’s either depressed or possessed – turns out, the symptoms are exactly the same.