The Yan tribe, after the long battle between the five mechnimal warriors and Group Dark, finally regained a brief peace. But then, in the Sands City at the other end of the world, Group Dark returns with a ferocious attack! The five mechnimal warriors riding Golden Rhino, Ptero Knight etc. must come to the rescue... but how could Neo and his friends all the way in Gold Wave City get to the Sands City?