Craig and Trina Boddicker take a secretive vacation. Relatives are alarmed; Trina has Lou Gehrig's disease. Her sister frets. A psychic senses danger. But the authorities won't intervene. Enter Mo Choate, a widower and retired FBI agent who is curiously indebted to the psychic. He investigates the couple's lives and grows suspicious. Then Mo pursues them on a macabre journey across the Midwest.