Plot: Young air delivery boy Naoki Tachibana (played by, oddly enough, Naoki Tachibana; His character's first name is spelled in katakana, however) is out to deliver a package for his grumpy boss Daisaku Banno (played by veteran actor Jun Tazaki), when his older brother Shin'ya (Toshiaki Amada), who commanded the defense force, PAT (Protective Attacking Team), was killed in an attack by a giant monster called King Jyglus (which was sent by the evil alien Anti Go-Ne of the planet Groth). When PAT retaliates against a second attack by the monster, Naoki, in retaliation for his brother's death, suicidally tries to ram his air delivery cessna into the monster, to their shock