On the day of his scheduled execution, a convicted serial killer gets a psychiatric evaluation during which he claims he is a demon, and further claims that before their time is over, the psychiatrist will commit three murders of his own.

At the edge of postpartum psychosis, new mother Harper moves in with her own mother at their family's rural farmhouse. Soon she finds herself hunted by a threatening monster who has designs on her child.

Desperate to get back to New York, Rachel Carver strikes a deal with her family's sworn enemy, business superstar Jacob Rush. However, their families' bitter rivalry threatens to derail everything.

Released from prison for a crime she didn't commit, Diana tries to prove her innocence by tracking down her ex-husband, Elias, who framed her for fraud. However, she soon uncovers a much more nefarious plot that involves a mysterious disappearance.