讲述1949年解放前后，国民党企图阻止新中国完成祖国统一大业，我党情报工作人员吴石（于和伟 饰）将军不顾个人安危，与情报小组潜伏配合，数月内为组织传递绝密军事情报，却被叛徒出卖，最终慷慨赴义的故事。

In the final days of the Chinese Civil War, Communist agents Wu Shi and Zhu Feng go undercover in Taiwan to gather vital military intelligence. Sacrificing their personal lives for their mission, they risk everything to aid the liberation of key islands until a betrayal jeopardizes their lives.