1, Shi Aihua actor Chen:

The headmaster of No.4 Middle School is also the teacher and father-in-law of Wang Benzhong. Shi Aihua has been engaged in education for many years. He has educated countless people, and peaches and plums are everywhere. He is very orthodox in his life and work, and he thinks of his students wholeheartedly. Because of my love of education, I delayed my retirement just in time for the epidemic. Facing the intense study under the epidemic situation, he tried to encourage students and improve their learning morale.

2. Wang Benzhong, actor Wang Qianyuan:

Principal of No.1 Middle School, Shi Aihua's student, son-in-law. After Wang Benzhong's wife died of SARS, he has been attached to his work and regarded his school as his home. The management requirements for students are very strict, focusing on grades. But he cares and cares for students from the heart and can understand their thoughts. Gao Mingyu, a senior three student, was misinterpreted, and Wang Benzhong stood up to clear his name.

3. Tian, actor Li Gengxi:

Students in Class 1, Grade 3, No.4 Middle School are tolerant. He is a "left-behind" college entrance examination student who prepares for the exam alone in his hometown. Because parents took their youngest daughter to work in Wuhan, Tian lived with her grandmother since childhood. When she grew up, grandma died and she could only live alone. She goes to school alone every day and is responsible for her own diet, so she is precocious, independent and sensible.

4. Zhou Bowen actor Hu Xianxu:

The students in Class 1, Grade 3, No.4 Middle School are smart, calm and very self-disciplined. He has been doing well since he entered school, and he is a veritable schoolmaster. Zhou Bowen's mother, Zhao Shan, runs a breakfast shop, and the livelihood of the whole family is basically supported by her mother. His father, Zhou, stays at home every day and is addicted to games. Zhou Bowen is very distressed by his mother and often helps her educate her unreasonable father.

5. Wu Jiajun actor Rong Zishan:

Senior three students in No.4 Middle School are good friends of Tian and Zhou Bowen. Wu Jiajun has excellent academic performance, and his ideal is to be admitted to the Art University and become an original painter. However, her mother, Dong, does not support it. She only hopes that Wu Jiajun can be admitted to a famous university and be strictly supervised in all aspects. Facing her powerful mother, Wu Jiajun started a family game around the art test.

6. Qin Jianguo actor Guo Tao:

Director of Jinxian Education Bureau, father of Qin Siyao. In the face of the epidemic, always stick to their posts and carefully escort candidates. Qin Jianguo successfully changed his destiny through hard work, so he understood the importance of the college entrance examination for ordinary students. In order to solve the problem that some students can't attend online classes because of poor signal, Qin Jianguo and President Wang Benzhong "built a base station for each person" and communicated with the telecommunications department many times.