Summary: A beloved Missouri couple is thought to be swept away in a record-breaking deadly storm, but when a closer look at the family farm points to foul play, law enforcement searches for clues long since washed away.

Summary: When a Michigan mother disappears on an afternoon walk, investigators pin all hope on their sole eyewitness: a 10-year-old boy who may have witnessed the unthinkable.

Summary: When a successful Arizona businesswoman disappears on a holiday shopping trip, investigators hunt for a kidnapper; when the killer takes his secrets to the grave, however, the only chance of finding her is a psychic's mysterious vision.

Summary: A young couple sets out from a holiday visit but never make it home as law enforcement search dangerous terrain fraught with derelict silver mines. In the black night and bitter cold, what happens when no one can hear you scream?

Summary: A spunky grandmother and former bail bondswoman is a no-show at work, leaving friends and family desperate for answers.

Summary: When a California mother wakes to find the door wide open and her daughter missing, law enforcement travel the country to find her until they discover a dark plot that began at the teen's doorstep.

Summary: When a widower disappears from his Southern California home, investigators find themselves caught up in a federal investigation involving the infamous hunt for skyjacker D.B. Cooper.

Summary: When a promising forensics student is found mutilated on a lonely stretch of Utah motorway, her Sheriff's department colleagues will stop at nothing to deliver justice.