With graduation nearing at Northeastern University, students are alarmed at the discovery of a fellow co-ed shot to death in her apartment. Detectives face many challenges until they realize the answer is right in front of them.

The New England chills of the new year bite even more brutally when a mother and daughter are murdered in their Massachusetts home. With several suspects on the line, detectives take a shot in the dark to solve this mystery.

A storm rattles the night in Key Largo, Florida, as an intruder slips silently into the home of Michael and Missy MacIvor. As daylight clears away the rain, a nightmare is revealed, haunting the entire community for years to come.

When a young mother is found strangled to death in her Georgia apartment, detectives immediately believe she knew her attacker -- until a witness comes forward with a ringer of a clue that leads them to an unthinkable monster.

Winter in Iowa gets an extra chill when a grandmother of 12 is found stabbed to death in her home. With no forced entry, detectives believe she knew her assailant, leaving the family wondering who has betrayed them in cold blood.

When an up-and-coming actress is savagely murdered in her home, police believe a revenge-hungry killer is responsible. But no one could expect the lies, obsessions and evidence that will be uncovered in the shocking cold case.