In the future, the world has been devestated by a massive flu epidemic. The few survivors left are in shock at the loss of their friends and relatives. One survivor, Bogart, spends most of his time on the roofs of skyscrapers in a nameless city, thinking aloud about what has happened. He meets another survivor, Ingrid, and they discover they both have been alone for too long. The two survivors realize they are infected with the virus and have only a short time left to live. Together they decide to do something about it.