In 1988, a man is released from jail after a judge deems his murder confession false. For 25 years, a family's hope for justice fades, as the killer walks the streets. But one tenacious detective refuses to let this cold case go.

One night in 1993, in Manhattan Beach, California, an officer is shot and killed during a routine traffic stop. The only witness is a young boy who is too terrified to tell police what he saw.

In 1997, in quaint Anne Arundel County, Maryland, a detective inherits a stack of cold cases. As he begins to unravel each one, he uncovers a shocking and gruesome common thread.

In 2007 in Bethany, Oklahoma, a young pregnant woman goes missing. Police desperately try to retrace her last steps, and unearth more than just the secrets she harbored.

In 1993, a family is torn apart when a mother in Jacksonville, Florida goes missing. The case stumps detectives, who believe that the truth about what happened to her is locked inside the mind of the missing woman's three-year-old son.

In 1996, in Tulsa, Oklahoma, a young mother is found dead on the side of a rural stretch of highway in an apparent hit-and-run accident. But as the family grieves, the façade begins to crack, and soon the truth seeps out.