September 1st, 1939. Nazi Germany invades Poland. The campaign is fast, cruel and ruthless. In these circumstances, how is it that ordinary German soldiers suddenly became vicious killers, terrorizing the local population? Did everyone turn into something worse than wild animals? The true story of the first World War II offensive that marks in the history of infamy the beginning of a carnage and a historical tragedy.

Friedrich Engels and Karl Marx formed one of the most famous duos in world history. In contrast to Marx, however, Engels seems to have fallen into oblivion today. Unjustly so. Moving archive images, documentary footage and graphic novels lead us back to the time of Friedrich Engels, who shaped the Communist movement like no other.