A concerned mother tries to protect her teenage daughter when she starts to receive a barrage of degrading texts. When the messages become more threatening, she starts to wonder if the tormentor is someone closer than she ever could have imagined.

After losing her waitressing job, Katie Franklin takes a job as a caretaker to a wealthy elderly man in his sprawling, empty Chicago estate. The two grow close, but when he unexpectedly passes away and names Katie as his sole heir, she and her husband Adam are pulled into a complex web of lies, deception, and murder. If she's going to survive, Katie will have to question everyone's motives — even the people she loves.