In the spring of 1941, the French Concession by the Suzhou River was still singing and dancing. Chen Mo is the most ordinary telegraph operator in the concession telegraph office, repeating the ticking sound every day. Until one rainy night, he heard a rhythm in a commercial weather code that shouldn't exist - it was a prelude to the Japanese army's imminent attack on Pearl Harbor. When he reported the information, what awaited him was not a reward, but a transfer order and three followers. Only then did Chen Mo realize that someone did not want the secret message he intercepted to be spread.
