根据现实美国空军的研究计划所改篇,背景50-60年代。在当时美国兴起一股UFO的热潮,美国空军为调查UFO而成立了蓝皮书计划/Project Blue Book来作相关研究。剧集讲述一个聪明的大学教授J. Allen Hynek被空军招揽,并由他处理蓝皮书计划中多达数千的未解案件,每一集皆会引用真实的案件,把UFO事件与美国那段具神秘感的历史结合起来。
Dr. Allen Hynek is recruited into the Air Force's top-secret UFO investigation program, and investigates the case of a military pilot who survived a dogfight with an alien craft.
蓝皮书第一季第2集
Hynek and Quinn investigate a West Virginia case of a mother and her two children who witnessed an alien being emerge from a fiery UFO wreck.
蓝皮书第一季第3集
Hynek and Quinn are brought to Lubbock, Texas, when citizens witness a mysterious V-shaped craft in the night sky.
蓝皮书第一季第4集
A bizarre UFO encounter with a commercial airliner leads Hynek and Quinn to a top-secret program involving ex-Nazi scientists.
蓝皮书第一季第5集
A series of strange clues lead Hynek and Quinn to a secret group who claim to have witnessed strange lights during combat, and a way to contact them.
蓝皮书第一季第6集
After mysterious green fireballs nearly cause nuclear disaster, Hynek and Quinn must investigate how it could have occurred.
蓝皮书第一季第7集
Hynek investigates a Scoutmaster's disappearance after he and his troop witnessed a strange craft hovering in the woods; Quinn is pulled into a rogue mission for Harding.
蓝皮书第一季第8集
Hynek and Quinn investigate a film documenting an Army platoon under UFO attack, and find the soldiers not only suffer from the physical effects of war, but psychological ones as well.
蓝皮书第一季第9集
A man, who claims he was abducted by aliens, and his wife arrive at the headquarters and hold Hynek and Quinn hostage until they learn the truth.
蓝皮书第一季第10集
Washington D.C. is invaded by UFOs, and Hynek and Quinn must uncover the true nature of the threat before it's too late.