A man named Eckels paid the owner of time safari , to hunt a dinosaur with two other hunters named billings and Kramer their safari guides are Travis and Lesparance!
They board a time travelling machine , the guide tells the hunters some important rules that they need to follow. Lesparance tells them to only shoot the dinosaur that they picked to hunt with a red mark on its body!
They travelled to a time when dinosaurs roamed the earth. Travis tells them that once they get there they must not step off the path. Lesprance tells them that they are only shooting a dinosaur with a red mark because it would die anyway.
Travis and Lesprance call the t-rex . When the t-rex roars they start to shoot it , Eckles gets so scared and runs away from them .
The guide tells eckels to hide in the machine since he got really scared. Eckles ended up running off the path in his fear , The man finally kill the t-rex but they don't want to take a trophy picture!
When they travel back to the future travis notices that everything is different. The company's sign is spelt differently and the image has changed . The winner of the presidential race changed Travis tells eckcles to look on the bottom of his shoe for mud and eckles finds a dead butterfly stuck on his shoe with the mud. Travis gets so angry he ends up shooting eckles with his gun!