Whether they are mechanics of agricultural machinery, dog teams drivers or bush pilots, those who do "arm jobs" are always happy to introduce Patrick Groulx to the basics of their job. And the host makes them feel good! He discovers no less than 20 different backgrounds this season, even going as far as the North Shore to learn more about aluminum production, the transportation of steel, and the crab fishery and its transformation into factory. Many workers recognize themselves in this series; it is probably for this reason that it is about the most popular original production on the waves of Ztélé.