It's the first day of summer vacation. Jace and his best friend, Rocco, are anxious to get to the park to play catch. Their ball accidentally goes into the Forbidden Forest. Jace goes in to look for it and he gets lost. Two young dinosaurs named Ribney and Ryder are in the forest and help Jace find his way home. But before they do, Jace helps the dinosaurs with a big problem they have