FBI Special Agent Jackson Crowne is flying his Cessna over the Appalachians with a very important passenger: renowned psychiatrist Dr. Timothy MacLean. Their destination is Washington, D.C., where upon their arrival, the FBI will protect the doctor ? and ascertain just who wants him dead.
But they don't make it.
In San Francisco, married FBI Special Agents Dillon Savich and Lacey Sherlock take an early morning call from their supervisor, Jimmy Maitland. Maitland received a Mayday from Jackson in the mountains near Parlow, Kentucky and sends Savich and Sherlock to see what's happened.