The world is under a pandemic attack. A virus is quickly spreading all over the world damaging the central neurons of the human brain. This virus delete the memories and leaves a human being to an unconscious vegetative state, and in the worst case, death. In response, Nations and Corporations have created Companies led by the best scientists and doctors specialized in cybernetics. An acclaimed professor Watanabe is able at last to find a cure for the human population; but it's extremely expensive, so only few people is able to benefit. The cure is made by the substitution of a small part of the brain with cybernetic implants , to make the subject immune to the disease. But a new threat is on the rise from humans who have decided to take advantage from the cure.