Half-brothers Michael and Bruno couldn't be more different, one is a reclusive socially inadequate molecular biologist, who buries himself in his work, the other is a slave to his own sexual desires. When the two men find love for the first time however there is finally a common bond between them and the concepts of evolution and fate collide. Based on Michel Houellebecqo's controversial novel, Oskar Roehler's film is a witty, intriguing, insightful and cerebrally observational insight into the landscape of modern life.