A Sound of Thunder is a science thriller movie involving two owners that own a firm company named Time Safari. This company allows for people to travel back in time to hunt game from the prehistoric times. The ;game hunters are allowed to shoot and kill living dinosaurs, the time travel experience is set up to guide the hunter directly to the dinosaur without affecting the environment. There is a walkway that laid out for the hunter to follow, but a hunter steps off of the walkway and crushes a butterfly thus causing a big rift in the millions of years to come. The owners of Time Safari and their leading hunting guide go on a journey to stop the ripples of time that are going to occur in the world. The team must now work desperately to help stop the ripples of time from effecting the Earth and its animal life.