A mysterious gemstone called "Skull Stone" is said to reveal the location of the world's largest mineral veins. This legend has attracted many people who want to gain fame, power, and wealth, including the Duolun Bo Gang. However, their search for Skull Stone is not as easy as they imagine, mainly because they received incorrect information from the leader; most importantly, it is composed of a pair of justice seekers, known as "Yatterman";.