The story of the show sets in the war period of modern China and mainly focuses on a spy of CPC called Ye Chong who was using the spy code Cicada of Autumn.The story of the show sets in the war period of modern China and mainly focuses on a spy of CPC called Ye Chong who was using the spy code Cicada of Autumn.The story of the show sets in the war period of modern China and mainly focuses on a spy of CPC called Ye Chong who was using the spy code Cicada of Autumn.