When a military outpost and an airplane in Artic are destroyed, the investigation finds a mysterious object near the crashed airplane. The scientists advise that the famous paleontologist Dr. Nedrick Jackson should give his opinion and he identifies as part of a spur of the leg of a giant insect. Soon Dr. Jackson and the military discover that a mantis is the responsible for the attacks and is heading to Washington.—Claudio Carvalho, Rio de Janeiro, Brazil