Mercenaries have occupied an offshore platform in Chinese territorial waters by force. The Chinese Navy sets sail to repel the invaders as the Jiao Long commando team prepares for a fierce fight in the deep sea.
In order to better support the blind mother of his fallen comrade, Kong Wanshan voluntarily gives up the preferential treatment policy granted by the state and settled at the foot of Mount Tai. There, in his twilight years, he finds the abandoned baby, named Shanxi.
In the early days of the founding of the People's Republic of China in 1949, New China was faced with "internal and external troubles". Since the outbreak of the Korean Civil War, the U.S. military has repeatedly provoked the border between China and North Korea, and civilians have been brutally bombed. In order to maintain the hard-won peace and long-term stability for generations, in October 1950, the Chinese People's Volunteers entered North Korea, and the "Resist US Aid Korea" war kicked off.
Based on real-life events, the film recounts the efforts of the Wuhan medical staff as they attempt to deal with the rising cases of Covid-19.