A family in the gold rush: Andreas Macherey goes on a treasure hunt with his sons Tobi and Benni. In the scorching heat of Australia, the adventurers face major challenges. Bushfires and an insect plague hamper them. In Canada, the season is short due to the icy winter, and the permafrost poses a major obstacle. And Tobi and Benni also want to build a lucrative business in Germany. Here, the brothers are targeting fine gold. Heavy machinery and real manual labor: The road to their goal is hard and rocky. But Andreas and his sons don't let that get them down, because together they form a strong team. (Text: DMAX)