you have fallen into a hole and ended up in the center of the Earth, and you have no way to get out

an alarm goes off at a base where Speega and his dinosaur comrades (a triceratops and a pachycephalosaurus) are heading towards your location

when they get to your location, Speega speaks to you in a friendly way and he tells you that he and his comrades are here to save you and take you back to their base to stay