A little rollercoaster boy NORI is living happily with his dad Dragon Rider in the rollercoaster city .
Vegas who is blind enough to build his own world is threatening the peace to this world.
At last, he is working out a scheme to get rid of Dragon Rider and Nori who are against himself.
Luckily, Nori is saved by Jinny from a traveling circus troupe and became a friend.
But he gets in trouble again captured by the boss of the circus.
Can Nori stand up on his wheels like his brave dad and save the world from the dark ruled by the evil tycoon Vegas?