A Sound of Thunder

In the story of the same name by Ray Bredberri. The action film is set in Chicago in 2055, when the travel time, ceasing to be a fantasy, turned into a profitable business. Charles Hatton owns the corporation Time Safari Inc., A travel agency, which is using a time machine sends wealthy clients on safari in the prehistoric era. Under the guidance of an experienced guide Travis Rayera travelers are allowed to hunt dinosaurs, but they must adhere to strict rules. These limitations are caused by the need to preserve the natural habitat of prehistoric animals, preventing any undesirable impact on the evolution. When one of the expeditions still have to break these rules, the hunters have returned to their time, discovering that the world has changed markedly. However, inventor of technology transfer in time Sonia Rand Rayer to prevent universal catastrophe.