When a deadly house fire claims the life of a family in rural Oklahoma, investigators suspect foul play and it sends a mother on a decades-long crusade to find out what happened to her missing teenage daughter and best friend.

In December 1985, when human bones are discovered in the woods, it puts an end to the search for missing teen David Reed. David's disappearance shook a small town, and skull fractures point to murder; but it will be decades before investigators can find his killer.