Amysteriousgemcalledthe"SkullStone"saidtobeabletorevealthelocationofthelargestveinofgoldintheworld.Thislegendhasentrancedmanypeoplewhowantedtogettheirhandsonfame,powerandwealth,includingtheDoromboGang.However,theirhuntfortheSkullStoneisnotaseasyastheyimagined,mainlyduetothefaultyinformationtheyreceivefromtheirleader;andmostofall,byajusticalduoofpursuerscalledthe"Yatterman".