The title of the song is "Man Jiang Hong", also known as "Interlude of the Movie "Serve the Country with Loyalty"".

"Man Jiang Hong" is a suspense comedy film directed by Zhang Yimou and starring Shen Teng, Yi Yang Qianxi, Zhang Yi, Lei Jiayin, Yue Yunpeng and Wang Jiayi. The film will be released in mainland China on January 22, 2023.

The film tells the story of the Shaoxing period of the Southern Song Dynasty, four years after Yue Fei's death, Qin Hui led his troops to negotiate with the Kingdom of Jin. On the eve of the talks, the Jin envoy died at the prime minister's residence, and the secret message he carried disappeared. A soldier and the deputy commander of his own camp were involved in this huge conspiracy by chance. Prime Minister Qin Hui ordered the two to find the murderer and the truth.

The plot of "Man Jiang Hong":

During the Shaoxing period of the Southern Song Dynasty, four years after Yue Fei's death, Qin Hui led his troops to negotiate with the Kingdom of Jin. On the eve of the talks, the Jin envoy died at the prime minister's residence, and the secret message he carried disappeared. Soldier Zhang Da (played by Shen Teng) and deputy commander of the personal camp Sun Jun (played by Yi Yangqianxi) were involved in this huge conspiracy by chance. Prime Minister Qin Hui (played by Lei Jiayin) ordered the two to find the murderer within an hour.

With the crisis-ridden in-depth investigation, He Li (played by Zhang Yi), the manager of the Prime Minister's Office, Wu Yichun (played by Yue Yunpeng), deputy manager, Wu Ji Yaoqin (played by Wang Jiayi) and others were involved in the situation. There seems to be a hidden secret behind the case. There is a bigger conspiracy. There is a situation within the game, people are unpredictable, the situation changes overnight, and there are undercurrents from all sides.