When Olivia marries correctional officer Christopher Jones, he runs his home like a prison; on Feb. 14, a day made for love turns into a day of horror, and a home security system helps detectives realize all is not what it seems.

Alabama police officer and widower Andy Kimbrel hopes to find happiness with new wife, Stephanie Keller, but when the marriage starts to fail, Andy falls victim to manipulation and violence; a fierce argument leads to tragedy, and police suspect something more.