A young woman whose father died in a fiery car accident, nine years ago, refuses to believe that her father's death was an accident. Boyd is intrigued by the woman's insistence that he was murdered, and decides to investigate.

The squad investigates a mysterious car accident that occurred nine years before and has everyone baffled. Luckily, some items from the car are recovered and help shed some light on what happened. Later, a DNA test surprises everyone.

The squad investigate the identity of a corpse found entombed in Catholic church.

The team continue to search for answers concerning the corpse found in the church crypt.

The team reopens the 25-year-old case of a woman who was convicted of double murder on the basis of her own confession.

The team continue to investigate the 25-year-old Annie Keel case, and attempt to track down her son, who was present during the murders his mother supposedly committed.