This is the "Dunkirk" of the East, a documentary movie commemorating the great feat of Chinese fishermen. Filmmaker Fang Li and the film crew through exhaustive historical investigation, as far as possible to find the core of the British, American, Japanese and Chinese parties and descendants, trying to infinitely close to the truth of the World War II "Death Ship" - "Lisbon Maru", which is 30 meters under the sea off the East Polar Island in Zhoushan, China. "Lisbon Maru" shipwreck truth.