S1, E5: In 1944, cameraman Felix Forestier was secretly sent to film the French Resistance in Vercors. His unique footage was lost and forgotten until 2013. How did it disappear for so long? Why did the maquis de Vercors become a symbol of the French Resistance, yet is often remembered as a failure? This series uncovers the story of the Vercors maquis and its lasting impact on history.