A mysterious stone known as Skull Stone is currently split apart and scattered across the planet. It is said to have the power to reveal the location of the largest deposit of gold in the world. This legend has entranced the trio of villains in this show: the "Doronbo Gang, who is on a pursue of fame, power and wealth. However, their hunt for the Skull Stone is not as easy as they imagined, mainly due to the faulty information they receive from their leader, and most of all, due to a righteous duo of pursuers called the "Yatterman".