An unknown assailant strangles overnight desk clerk Mary Klatt during her shift in the town of Blue Earth, MN. After the incident, the townsfolk struggle to come to terms with the harsh reality of someone wanting to harm Mary.

Jill Walker finds her daughter, Emma, cold to the touch in her own bed. Quickly ruling out suicide, investigators search for a suspicious man in black caught on a neighbor's home surveillance camera.

In the small town of Twinsburg, OH, Charlene Puffenbarger's 3-year-old son is the only witness to her brutal murder. Investigators continue to follow every tip that comes in, and an unexpected source leads them to the killer.

When someone stabs Trina Langenbrunner to death and leaves her on a road in Cloquet, MN, her family, community, and law enforcement work together for over 12 years to find her killer.

In Post Falls, ID, devoted family man Bo Kirk vanishes, and his truck is found set ablaze; Bo's sister blames their estranged father, until released ATM security footage points to one of his co-workers who has piercing blue eyes.

The community of Kankakee, IL, comes together to aid police in uncovering the vile killer of up-and-coming model, Sarah Washington, who was shot dead in broad daylight.

Anita Dunn vanishes from her home in the neighborhood of Belle Center, MO, without a trace. Hoping to find her before it's too late, the community aids investigators in an exhaustive search.

In rural Missouri, a hunter is found slain in his car near the popular deer trails; this could be a hunting accident gone wrong, or something more sinister.

When Marty finds his big brother Mike Rust's home in disarray with a motorcycle missing, the Saguache, CO, community leaves no stone unturned searching for one of their own. The case of the missing mountain biking pioneer, living off the grid in Colorado, went cold for years, but the local rumor mill heats up.

In Monroe, OH, an affluent retirement community is baffled after Barbara Howe simply vanishes one night; the police soon find her body in the trunk of her car, with her throat slit.

When childhood friends Phillip Brewer and Jody Fortuna go missing, their families and friends fear the worst. The small town of Gillette, WY, bands together with detectives to solve this mystery of jealousy and deception.

22-year-old Liz Syperda is reported missing by her roommate, shocking the community of Mount Pleasant, IA. Some wonder if Liz merely left town without telling anyone, but family and friends know something far more disastrous occurred.

Hugo is hysterical after he finds his brother's girlfriend, Breanna Schneller, beaten and stabbed to death; the brothers appear to be devastated, but the discovery of Breanna's missing phone casts doubt on their alibis.

MaryAnn Clibbery is brutally murdered at the remodeling business she owned in Loves Park, IL; then, a suspicious bag found floating in an icy river unlocks the secrets of her brutal slaying.

In Noble, OK, a dog drops a human skull onto its owners' front porch on Christmas Day; after six years and no leads, the police must navigate the twists and turns of the victim's past to find justice.

Carol Lapaglia waited 25 years to marry the love of her life, Jack Parkes; six weeks before their wedding in Kennedy Township, PA, she finds him shot to death in their living room.

A missing grocery clerk, 20-year-old Christina Ross, sets the town of Neenah, WI, in a panic after a gruesome discovery. An unlikely resident comes forward with information that leads detectives to the people in her tangled love life.

Tourist town Traverse City, MI, is turned upside down when 18-year-old Kalee Bruce lies bludgeoned to death at her workplace. Investigators feel the pressure to get this killer off the streets before they strike again.

Locals stay quiet to protect their own when a new resident of Hartford, KY, is found tied up and floating in a toolbox in a creek.

A tip comes in from an unexpected Willard, MO, resident that leads to the final resting ground of missing newlyweds Russell and Rebecca Porter.

College junior Emily Murray, a popular religious studies major, goes missing late one night after quitting her job at a local bar; a month later, someone finds her body in a remote trailer, leading police to another gruesome discovery.

Michael Lee Smith's body is found shot and dumped on the side of the road. Police are forced to sift through lies as they attempt to track down the killer.

In Moscow, ID, an elderly couple frantically performs CPR on their young neighbor after a pop of gunfire interrupts their bedtime routine; investigators follow fresh footprints from the scene, only to learn the killer may already be behind bars.

The Native American community of Shawnee, OK, bands together when Marshall Dent goes missing. After weeks of searching, he is found in a shallow grave on sacred ground, leaving authorities scrambling to find the killer.

In Hayti, MO, Tray Phelps is found beaten to death in his driveway; the townspeople are stunned to discover that a web of evil lurks just beneath the surface of the seemingly idyllic hamlet.