Inspectors John Conaty and Ray Giacomelli take on a murder case, in which the prime suspect is a dangerous killer who was put behind bars years earlier.
One year into the most demanding case of his career, senior investigator Bob Creed arrives at the scene of the 16th murder in a string of slayings, and it turns out to be on his grandfather's property where he spent most of his youth.
Indianapolis Detective Christine Mannina arrives on the scene of an execution-style shooting that's left one man dead and another in critical condition; Mannina knows she must convince a reluctant witness to come forward and put her life on the line.
In Sacramento, Calif., FBI Special Agent Jeff Rinek searches for 7-month-old Frankie Proctor, who was kidnapped from his home, while fearing the baby may already be dead.
In Wausau, Wis., a well-liked man doesn't show up for work, and the case turns suspicious; Investigator Larry Woebbeking finds himself in a predicament when the victim's girlfriend appears to fall for him.
In Lake County, Fla., Chief Investigator Rocky Harris is called in to investigate 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.
A young woman fails to return to her home in Boulder, Colo, and she is later found decapitated; Detective Steve Ainsworth soon learns she was part of a mysterious Apostolic church group, led by a pastor who has a reputation for preying on the weak.
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.