Following the murder of his parents by an organized crime faction, college athlete Patrick Wade discovers that a head injury leaves him with the ability to open and enter a gateway into another dimension. This prehistoric world is populated with primitive humans and dinosaurs that are larger than any that roamed the Earth. Time passes slower in this dimension, and years pass before Pat returns to our world. The people responsible for his parents" death want no witnesses and put him and those close to him in danger. Can Pat survive and deal with the threats that face him?