Rachael Koloroutis and Tiffany Rowell were popular high school students. When outcast Christine Paolilla moves to town, the teens befriend her. But soon Rachel and Tiffany are found murdered along with their boyfriends, shocking their small town.

After neo-Nazi Jeff Hall is found murdered in his home, police must grapple with a long list of potential suspects.

Dan and Donna Arnold were living the American dream; Dan was the Youth and Music Minister at their church, Donna played the church organ. It appeared they had it all, but hidden desires culminate in a shocking murder in their church parking lot.

With a college degree in one hand and a baby on the way with her soon-to-be husband, Avis Banks seemed to be in the prime of her life. So when her lifeless body is discovered at home, investigators have more questions for those around her than answers.

When a fire breaks out at the home of Ari and Denise Squire, firefighters respond to the scene and find the lifeless body of Ari. Across town, another man, Justin Newman, is reported missing, and his last known location flips this case on its head.

John Davis is a hardworking man making a living in Philadelphia at a bridal warehouse. When his dead body is found slouched over the steering wheel of his van in his work parking lot, his friends - and police - are baffled. Who would want him dead?

31-year-old Jayme Austin is a loving single mother of two living in the Oregon countryside between her mother and her sister. When she doesn't show up for work one morning, her mother decides to call police. As they look into her past, they find many possible motives and suspects.

Nordella Newson is an 86-year old woman who lives on her own in Boston. She is known as the neighborhood watchdog, regularly confronting prostitutes and drug dealers. When her body is discovered in her apartment, police have a large list of suspects.

David Ford was a police officer in Kentucky. But when he's found dead in his home, police are left wondering who would kill one of their own. For weeks before the murder, David had been receiving threatening notes. Could the writer be the culprit?

Reunited with his two sons after giving them up to foster care years earlier, Terry King's life seems to be back on track until a fire breaks out at his new Florida home, leaving one person dead and two missing as fingers are pointed at both family and friends.

Math teacher Cheryl Trover emerges from a field at daybreak with a story about escaping from a masked intruder who forced his way into her home and murdered her husband, John.