"Harry Caul will go anywhere to bug a private conversation." A paranoid and personally-secretive surveillance expert has a crisis of conscience when he suspects that a couple he is spying on will be murdered.

"Close Encounter of the First Kind - Sighting of a UFO. Close Encounter of the Second Kind - Physical Evidence. Close Encounter of the Third Kind - Contact. WE ARE NOT ALONE" A line worker, after a encounter with UFO's, feels undeniably drawn to an isolated area in the wilderness where something spectacular is about to happen.