Larry Mazza's ex-wife, Christine, is not aware of her husband's true past when they get married; as gangster Greg Scarpa's protégé, Larry finds it hard to walk away from the mob even though it threatens to ruin his and Christine's lives.

Dale Hausner's brother Randy lives in fear of the random shooter stalking Phoenix at night – never suspecting the killer is his own brother. When the truth is revealed, after a year-long ordeal, Randy discovers that his brother's darkest secrets are even darker than he could imagine.

Omar Mateen's ex-wife Sitora struggles to break free of her unstable husband's abuse, but when he carries out one of the most devastating mass shootings in U.S. history, she's drawn into his world once again.