The story is about an aliens that live quietly on the ocean floor until they are compelled to destroy humanity after their eco-system is disrupted by pollution Scientists race to stave off an apocalypse The book was a huge bestseller in Germany and other European countries While the likes of Al Gore s quot An Inconvenient Truth quot trying to stir concerns about the environment, quot The Swarm quot becomes the latest in a growing number of films based on the philosophy that there will be payback for mankind s abuses of the planet