Christopher Gerald Williams was ten when he was taken from the bedroom he shared with his seven-year-old brother Joey in 1977. Twenty years later when another body is found.

Twelve years ago, a teenaged girl named Janine Elston was shot while she slept in her bed. Her father, a former cop, goes to Cold Squad to ask for help when Wayne Corby, the man who was believed to have killed her, is about to be released from jail.

On April 14, 1983, the bones of a young girl were discovered in a grave. Tony Logozzo has never been able to let go of the case or the young girl they've dubbed Tess, and Ali McCormick, new to Cold Squad, is determined to find an answer for who she was.

The link between a gruesome murder and the decapitation of two nurses more than twenty years earlier lead the squad to a set of secret-keeping brothers.

In 1995, Barbara Taggert was found burned to death in her home, and her six-year-old daughter Lisa was missing. Her husband Spencer was their prime suspect, but his business partner had given him an airtight alibi.

Tony and Ali investigate Theresa Sandiman, a prostitute Tony has long thought responsible for a murder.