In 1973, at age 39, Brigitte Bardot decides to stop her acting career at the height of her fame to dedicate herself to Animal welfare and protection. Her rebellious nature finds in this cause a genuine expression of who she really is. This intimate portrait including exclusive interviews provides a unique account of her journey as a movie icon turning into a radical advocate for wildlife protection ahead of her time.

The zone interdite refers to two distinct territories established in German-occupied France during the Second World War after the signature of the Second Armistice at Compiègne.