狗咬狗电影表达的什么

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中央红军突破蒋介石布下的三道封锁线，即将进入广西，桂军组织民团布防全州县。陆云儿和凤山受命化装入城侦察敌情，两人历尽千辛万苦，越过敌人封锁线接应红军将士，帮助中央红军扭转局势，取得最后的胜利。。Researchers discover film footage from World War II that turns out to be a lost documentary shot by Alfred Hitchcock and Sidney Bernstein in 1945 about German concentration camps.。