Mat invests in a new business in Australia. The adventurer wants to dig up opals Down Under with his buddy Andreas and his son Tobi. The first search for clues was promising, which is why Mat acquired prospecting rights in the outback. But the plan is risky, because the men cannot rely on metal detectors and proven technology when searching for the precious gems. Treasure hunting requires a good nose and years of experience. Will the beginners learn the hard way or will the company be a success?