Meritorious service is an age biography drama with Zheng Xiaolong as the general director and Lei Jiayin, Jiang Xin, Tong Dawei, Wang Lei, Guo Tao, Huang Zhizhong, Huang Xiaoming, Zhou Xun, Zhang Songwen and Chen Hao as the leading actors. The play is divided into eight units. Yu Min, Shen Jilan, sun Jiadong, Li Yannian, Zhang Fuqing, Yuan Longping, Huang Xuhua and Tu youyou tell the stories of eight meritorious figures\ N1. Li Yannian \ n director: Mao Weining \ n screenwriter: Liu Gejian \ n Starring: Wang Lei \ n story introduction: it tells the story of Li Yannian and his comrades in arms who fought for three days and two nights on the battlefield of resisting US aggression and aiding Korea, showing their heroic deeds of life and death and fearing no sacrifice for the happiness of the motherland and the people\ N2. Yu Min \ n director: Shen Yan \ n screenwriter: Wang Xiaogun \ n Starring: Lei Jiayin \ n story introduction: it shows the Chinese researchers represented by Yu Min's spirit of dedication and selfless dedication to the cause of national defense and security\ N3. Huang Xuhua \ n director: Yang Yang \ n screenwriter: Shen Jie \ n Starring: Huang Xiaoming \ n story introduction: it shows the difficult course of China's independent research and development of nuclear submarines in the 30 years from the beginning of 58 to the end of 88 deep diving experiments\ N4. Zhang Fuqing \ n director: Kang Honglei \ n screenwriter: Chen Liang \ n Starring: Guo Tao \ n story introduction: after Zhang Fuqing changed his career, he never took pride in his achievements, remained unknown, took root at the grass-roots level, served the people, and tried to fulfill the most simple commitment of a Communist Party member to the country and the people\ N5. Shen Jilan \ n director: Lin Nan \ n screenwriter: Gong Xiangdong \ n Starring: Jiang Xin \ n story introduction: it tells the human years between Shen Jilan's marriage in 1947 and his election as a deputy to the first National People's Congress in 1954. She advocated and promoted the inclusion of "equal pay for men and women for equal work" in the constitution, making great contributions to the struggle for gender equality\ N6. Sun Jiadong \ n director: Yang Wenjun \ n screenwriter: Xu Su \ n Starring: Tong Dawei \ n story introduction: it tells the touching story of sun Jiadong, the founder of "two bombs and one star". The story takes countless failures as the starting point to deeply show sun Jiadong's courage and perseverance in the face of failure and his exploration spirit of never giving up\ N7. Tu youYou \ n director: Zheng Xiaolong \ n screenwriter: Wang Xiaoping \ n Starring: Zhou Xun \ n story introduction: it mainly tells the story of Tu Youyou, an "excellent representative of scientific and technological innovation of traditional Chinese medicine", who developed the new antimalarial drug artemisinin, praising the broad mind and selfless and fearless dedication of Chinese scientific researchers in that special era\ N8. Yuan Longping \ n director: Yan Jiangang \ n screenwriter: Song Fangjin \ n Starring: Huang Zhizhong \ n story introduction: tells how Yuan Longping, the "pioneer of Hybrid Rice Research", has been thinking about his decades of unremitting exploration and struggle to solve the problem of food and clothing for the Chinese people and even the people of the world.