Passengers and crew of the cruise ship Atlantic Queen have a close encounter with two UFO's. Captain Ryan and S Sgt. Fitz hitch a ride with a Coast Guard helicopter to investigate theirs claims while they are still at sea,
Captain Ryan and S/Sgt. Fritz travel to Utah to investigate a UFO sighting that was reported by an engineering professor on behalf of one of his graduate students.
Major Gatlin and S Sgt. Fitz encounter a woman who was visited by two men from Venus who say they can reunite her with long lost husband for $40,000. Later, they investigate a more credible sighting in the mountains of California.
Capt. Ryan and S Sgt. Fitz hitch a ride on a KC-135 to Alaska to investigate a UFO sighting by three Alaska Air Cargo pilots. Two of the pilots want to cover up the sighting, but radar seems to confirm the third pilot's claims.
A scoutmaster witnesses a UFO while out camping with his troop in the wilderness of Mississippi. Captain Ryan and S Sgt. Fritz fly south to the Magnolia State to investigate for Project Blue Book and discover another witness.