![City in Darkness](https://image.chilimovie.com/region2/en/300px/20230701/rOv6CRm8WcUI7wsvUcfwk01lqWS.jpg)
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Chan, in Paris for a reunion with friends from World War I, becomes involved in investigating the murder of a munitions manufacturer who was supplying arms to the enemy, even as the rising clouds of World War II force the city into nightly blackout status..