Operation Danube was the cover name for the invasion of Czechoslovakia by Warsaw Pact armies in August 1968. The fleet of Polish tanks which arrive to liberate their neighbor, ostensibly threatened by a counter-revolution, includes the old tank nicknamed Ladybird, which is the last to leave the barracks.
A young woman from a small town in Poland, who once hoped to live as a nun, flees to West Germany and ends up in the sex industry. She was modest by nature and dreamed of a different life, but circumstances led her to a path she never anticipated.
