When a rare species of butterfly is found in a mysterious valley in Japan, a pair of entomologists go to investigate and find more. They discover Varan, a giant monster, who decides to leave the valley and head straight for Tokyo.
A squadron of Japanese fighter pilots realise that they are never going to win the war when they understand that Japanese military tactics have little regard for life. Seeking the companionship of any woman who will have them, they spend their days indulging in every fantasy in order to escape the overwhelming fear of death looming just over the horizon.
