Gao Jian, a coach at an ordinary martial arts school in Dengfeng City, Henan Province, was ordered to teach a group of international students who came to China to learn Kung Fu. During the class, Gao Jian had to face various conflicts brought about by the cultural differences between the East and the West, and he had to bridge the long-standing estrangement with his father, the principal of the martial arts school, Gao Fengshan. At the same time, his relationship with his ex-girlfriend, English teacher Bai Jie was also in crisis.

At the beginning of 2020, the new corona virus epidemic broke out. On January 23, Wuhan city went into a lockdown. 9 million people in Wuhan, together with front-line personnel from medical systems and other industries across the country, started the fight against the corona virus in Wuhan! The content of "Wuhan Day and Night" comes from the thousands of hours of material that more than 30 local photographers in Wuhan have been shooting for several months on the front line of the fight against the epidemic since the beginning of the epidemic. The film takes the medical staff and patients in the intensive care unit of the hospital as the main line, and the volunteers who transport pregnant women late at night as the auxiliary line, showing the touching stories of fighting against the epidemic.