Today, Adolf Hitler’s autobiography and Nazi manifesto is still sold all over the world, under the counter, on the internet or simply at the bookshop. This 700 page book, published in 1925, was re-edited numerous times since the death of the author. How was it written? Was Hitler really the author? Were the war and the Holocaust truly inscribed in its pages? This documentary plunges deep into the secrets of Mein Kampf. A simple book of paradoxes: famous but unknown, fascinating and repulsive.