Two weeks before Christmas, 1970, the Polish Communist governmentraised food prices. The next day, Gdansk shipyard workers refused to goto work and took to the streets. On Thursday December 17, 45 protesterswere shot and killed. The film follows the plight of a family caught upin the violence. This protest and its brutal suppression occurred adecade before the Solidarity union emerged to lead the opposition, butthey were events that were clearly preparative for what happened later.
黑色星期四是指1929年10月24日（星期四）美国华尔街股市的突然暴跌事件。
1929年10月29日这天是星期二，而且这天的纽约股市暴跌达到极点，因此也有人用“黑色星期二”来指这次事件。这一天，纽约股票市场崩溃，资本主义世界经济大危机由此开始。
