Starting from a "hero tree" in the battle of Tashan in Liaoshen campaign, this film tells the story of three touching martyrs and revolutionary cultural relics in Liaoshen campaign 75 years ago; at the same time, it introduces the new measures for the development and utilization of red resources in Liaoshen Campaign Memorial Hall in Jinzhou and the strategic deployment of "5.1 line" red tourism route The great prospect of the Liao-Shen campaign inspires the latecomers to forge ahead and set off again without looking forward to their future.