Cain is a military scientist, bitterly disappointed in human race. His conclusion is that the mankind failed to create a world worth living in. Only a small minority of privileged people live in prosperity, while the rest are spending their lives in pain and hopeless struggle to survive. One day, Cain made a decision to wipe out the entire human race from planet Earth, by activating the weapons of mass destruction. Time has passed, and Cain is coming out of the shelter to find the place where he will die. The place where the last man will die. Suddenly, he's starting to receive a mysterious signal that indicates someone else's presence. So, he goes in search to eliminate the survivor and complete what he has started...