Susan and Mark move to a seaside town to buy an old house and open an inn. They came to look at one house, but Susan is inexplicably drawn to another. The house is high on a cliff overlooking a lonely beach. Something eerie is going on. A scary black dog appears. One strange guest stays at the inn. Susan finds letters in the attic written long ago by a wife who was terrified of something.

U.S. Senator is assassinated by Men in Black, mysterious organization which suppresses all knowledge about UFOs. Agent Rafferty from the U.S. Secret Service will confront them and discover the sinister truth. The only person that can help him comes from another world.