01. Little Girl Lost
Seven-year-old Michelle Norris vanishes from a playground in 1988 and is found dead in the nearby woods four days later; clues suggest the murderer could possibly be someone who lived in the neighborhood.
02. Who Killed Faith
College student Faith Hedgepeth is brutally murdered in 2012, with her killer remaining at large; police investigate a text message from her phone and a mysterious note left by her body.
03. Secrets of the River
Twenty-one-year-old student Christopher Jenkins dies on Halloween night in 2002, prompting an investigation into whether he fell from a bridge by accident or committed suicide; a mysterious island may hold the answer.
04. Mystery at the Mansion
Thirty-two-year-old Rebecca Zahau's death is ruled a suicide after she is found hanging with her hands bound behind her back.
05. The Honolulu Strangler
A serial killer murders five young women in Honolulu, Hawaii, but is never caught; now, 30 years later, there are new clues and eyewitness accounts offering strong evidence that this case can now be solved.
06. The Blue Mustang
Eighteen-year-old Michelle O'Keefe is murdered in a parking lot in Palmdale, Calif.; security guard Ray Jennings is convicted of killing the young woman, but he is exonerated and released from prison after serving 11 years of his sentence.