At first, Rhett boasts about himself and tells Ali truthless stories about him protecting his herd from Sharpteeth and convincing her that they are real, saying he did things such as build a mountain of rocks with his tail, and knock down trees so that Sharpteeth couldn't get by. Littlefoot, Cera, Ducky, Spike, Petrie, Chomper and Ruby decide to plan a scheme to convince Ali that Rhett has been making up all of his stories. Their plan is to have Chomper act as a mean Sharptooth, pretend to be his prey, and ask Rhett to save them. The plan works and Rhett runs away to his herd, showing Ali that he isn't as brave as she thought. After he tells the adults in the herd, they became convinced that Chomper is vicious and gave him chase. The Longnecks corner Chomper, but the gang soon come to his