Description:10 25 17 00 WWII. Propaganda film. Warns against the disclosure of information, the secrets. Rumour, confidences, gossips. Climate of distrust, paranoia, suspicion, fear. One finds the young lady who was in infirmary, military hospital, she hangs on a message on a carrier pigeon, she sends the information which she was able to hear in hospital. Communication. She opens window and releases her pigeon. Assembly of all the sequences which one has just seen, narrator calls back all the scenarios where one can too much speak. Do not even trust to his best friend. Metaphor, hands assemble bricks, masonry, construction. These bricks symbolize the small added information the some to the others, the seen on very high wall of brick. Narrator recommends to keep the closed mouth. Close-up man who speaks and who closes his mouth, close-up fills closed.