The play is a gift-themed drama that tells the story of a dangerous but passionate spy war before the Battle of Changsha. It pays homage to the unknown heroes and aims to convey the spirit of China and promote the power of China.During the Anti-Japanese War, patriotic young men Yun Hongshen and Wen Yeming, under the mist of doubts about good and evil, set up a trap and worked step by step. They put aside their family feud in the face of national hatred, set themselves as dead chess, and dug out the hidden secrets of the national army.The internal Japanese agent “Black Butler” turns the tide of the war in Changsha into a high-octane story.