Happy couple Bill and Mary Yoder run a medical practice outside of Utica, N.Y., but their world collapses after Mary falls ill, and detectives prove that her illness is no accident.

Firefighter William Walker and his new wife, Uloma, live in a tight-knit Cleveland neighborhood, then he is gunned down in their driveway, turning everyone in his life into a suspect.

Rob and Brenda Andrew, a devout couple living in the Bible Belt of Oklahoma City, find their world shattered when both of them are shot during a violent home invasion; the mastermind proves to be closer than anyone imagined.

When wife Tabatha is found stabbed to death at home, a steamy affair and many double lives are revealed to the town's unsuspecting residents.

An entrepreneur is fatally gunned down in his warehouse, leading detectives to examine his disgruntled employees and his mistress in search of the killer.

The double homicide of a beloved local couple rocks a tight-knit community, with friends and neighbors looking at those closest to the pair as their potential killer.