en Cuevana 3. Hydro-Quebec is on the verge of building four new hydro-electric dams. Nicolas Boisclair and Alexis de Gheldere decide to paddle the 500 kilometers of the Romaine River in order to documents the ecosystem before it is forever destroyed. In parallel, along with Roy Dupuis, they explore the profitability and feasibility of various renewable energy sources by interviewing experts across the Quebec.