When 17-year-old Alissa Turney is reported missing in Phoenix, it takes years before detectives treat her case as a homicide. A new investigation unearths dark family secrets, leading to a dramatic courtroom drama and an outcome no one saw coming.

INTERVIEWS WITH: Detective William Andersen, Alissa's brother James Turney, Deputy County Attorney Vince Imbordino, and others.

After trumpet player Scott Sessions fails to show up for a scheduled gig, his family learns his body was abandoned in the remote Colorado Rockies; as the investigation narrows in on two suspects, a second murder catches police by surprise.