A dinosaur egg at a museum hatches surprisingly after millions of years and the janitor sees it. The baby T-rex hatches and the janitor, June, gets attached to it's cuteness. She keeps the rex at her home in secret so that nobody will take the dinosaur away from her. She cares for the dinosaur and names it Spike. But what will happen when it grows up to be gigantic?! How did it hatch in the first place?