Long-time partners and best friends, Inspectors John Conaty and Ray Giacomelli never thought things would happen the way they did on a Pittsburg, California murder case, where the prime suspect is a dangerous killer, put behind bars years earlier.
Detective John Cameron moves to Montana to start his career as a cop. When a child disappears, he is resolved to prove everyone wrong after the suspect is someone he knows. As John fights to clear her name, he digs into the world of a ritualistic child killer.
Investigator Clarence Douglas tackles the case of Angel Doe, a little girl found dead in a ditch near the Houston Bayou, promising not to neglect her in death like she was in life.
In 1991, Riverside County Sheriff's Investigator Bob Creed leads the hunt for a serial killer who's killed 16 local young women. It is a torturous experience for him as he works to solve the brutal murders in his hometown.
Soon after joining the Illinois PD, Mike Ciesynski moves to Seattle. When a series of women are found dead in an area called 'the jungle', Mike's leads go nowhere. But a call from an inmate with information on the murders bears a pact with the Devil.
In Lake County, FL, Chief Investigator Rocky Harris is called to look into a haunting case, the rape and murder of a young girl; wading through bad police work and dead ends, Harris is sickened when he uncovers the identity of the killer.
Detective C.W. Jensen faces his most haunting case when the search for a missing child in Portland, Oregon turns into a harrowing pursuit of a child serial killer. C.W. is pushed to the brink as he struggles with how close this hits to home.
A missing person case turns suspicious when a well-liked Wausau, WI man doesn't show up for work one morning. Investigator Larry Woebbeking finds himself in an unexpected predicament, when the girlfriend of the victim appears to have fallen for him.
Boulder County Colorado Detective Steve Ainsworth investigates the 1999 murder of a young woman who was first reported missing and later found decapitated.
When all signs point to suspects with friends in high places in the horrific murder of a young woman, Texas Ranger Phil Ryan goes against the grain to get justice for this discarded victim.