Alcoholic pilot, Ted Striker has developed a fear of flying due to wartime trauma, but nevertheless boards a passenger jet in an attempt to woo back his stewardess girlfriend. Food poisoning decimates the passengers and crew, leaving it up to Striker to land the plane with the help of a glue-sniffing air traffic controller and Striker's vengeful former Air Force captain, who must both talk him down.
Husband-and-wife scientists (Peter Graves, Andrea King) pick up a pie-in-the-sky TV message supposedly from Mars.
Sherlock Holmes' problem with disturbing dreams proves to be both an impediment and an aid in the search for a missing woman.
American heiress Henrietta Doran (known as Hatty) marries Lord St Simon, but she vanishes without trace on her wedding day, leaving London agog. Later, the police find her wedding dress in the Serpentine, a lake in a London park, with a note in the pocket of the dress. While investigating the case, Holmes suffers from nightmares, which he sees as a factor in the mystery.