A Colorado teen who dreams of being a nurse vanishes in the night; police initially deem Lashaya a runaway, but surveillance videos reveal a secret meeting with an ex and two mysterious figures who vanish into the darkness.

Twenty-six-year-old Army veteran Kevin McGrath vanishes from a Carnival cruise after a celebration with his family. Despite a thorough canvass of the ship and a 3,300-mile Coast Guard search, no trace of him is found.