"Ordinary Greatness" is directed by Ding Hei ("Goddess of Mercy", "The Qin Empire 2") as the chief director, and co-directed by Bao Chengzhi ("The Flowers and Distant Place"), Fu Cexin ("Rebirth For You"). The drama also stars Zhang Ruoyun ("Wu Xin: The Monster Killer", "Snow Leopard") and Bai Lu ("One and Only", "Love is Sweet"). In this drama, director Ding Hei returns to direct a new era police drama 18 years after his classic "Goddess of Mercy". The story revolves around Li Dawei (played by Zhang Ruoyun), Xia Jie (played by Bailu), Yang Shu (played by Xu Kaicheng), and Zhao Jiwei (played by Cao Lu), four fledgling police trainees, telling the story of how they were in a "highly happening police station," the Balihe Police Station in the city of Pingling. Under the guidance of the old police along with the various cases that happened, this tells the story of these four police maturing to become a qualified police for the people. Four young new police officers from Balihe police station – Li Dawei, a "thorn head" who was forcibly sent to the police school by his parents because he was too rebellious; Yang Shu, a rigid and upright person who have received a masters of law from Peking University; Xia Jie, a girl with a sensitive personality who inherited her father's will to become a police officer; and Zhao Jiwei, who comes from the countryside and just heads straight on. According to the characteristics of the four police officers, the director Wang Shouyi (played by Wang Jingchun) arranged four tutors for them. During the one-year internship, the four new police officers first realize that the grass-roots work was different from what they imagined, and after some struggles, they were gradually moved by the sense of achievement and honor gained in their work, and they build up a good relationship with their mentors and higher ups. The police officers help each other and complement each other, and eventually grow into outstanding police for the people....

...

Liao Fan and Bai Yu challenge a large-scale crime masterpiece! The suspect killed and threw the body. But because of an accident, he was caught on the spot in public. There were at least a few hundred eyewitnesses at the scene, and the suspect confessed to the whole crime. Credible witnesses, physical evidence, and oral confession complete the evidence chain. However, right when formal charges were to be filed by the prosecution against the suspect, the circumstances of the case suddenly changed......

...

Given the fact that the Chinese police do not have the right to enforce the law overseas, the investigation task force led by Director Gao Xiaotian works alongside foreign judiciaries, during which they show great talent, courage as well as excellent detective skills. They hunt down Lin Guoxiong, a Taiwanese criminal mastermind who swindled millions from the Chinese mainland through telecom scams. They also persuade two key witnesses in a high-level government official corruption case to go back to China and testify against him in court. In a South American country, the team also takes out two local gangs that plague the local Chinese. The members of the task force travel afar and work 24/7 in order to protect the interests of the Chinese people and ensure the national security of China....

Luo Ran has been investigating the death of his wife with his best friend Ning Yu. They end up getting onto a train headed for C City in order to chase female suspect Jiang Xue. The train suddenly derails mid-journey, and the hundred or so survivors find themselves transported to a ruined city with no living soul in sight, cut off from the rest of the world. The city is filled with dangers on all sides and supplies are dwindling. The survivors start dying off or disappearing one by one—a brutal game of survival begins....