In the early 21st century, the Earth is under attack by aliens. In five areas of the planet, they have erected energy generators, creating a field that slowly encompasses the entire planet surface. They have also taken hundreds of humans prisoner. Someone has to stop them. Enter Russian Commander Ivan Popovich, nicknamed "Krazy Ivan". He is a paranoid schizophrenic, prone to burst out into violence at any time. In other words, he's perfect for the job.