Interviews with experts and relatives fuel this investigative docuseries about the tragic 2017 disappearance of a military submarine that shook the world.。影片讲述了汉春造船厂的厂长袁朗与老同学陈启明、冯振羽、诸晖摒弃前嫌，齐心协办提高中国造船业的国际竞争力的故事。。
