"The First Major Case" is a historical drama based on the first major anti-corruption case in the People's Republic of China. Set in 1951, the story follows counter-espionage officer Chen Huaibang, who uncovers the shocking corruption of Liu Qingshan, a former revolutionary hero turned corrupt official. Despite their past, Chen stays true to justice, bringing Liu and his accomplice Zhang Zishan to trial. The film highlights Chen's battle of wits with Liu, Zhang, and the enemy spy known as "Qingmang."
In 2066 the terminally ill scientist Chen Sen, director of the Rosebud Research Institute, sees a photo of his dead wife and son on the table, after which decides to change the past and rewrite history.
Qiao Jingjing, a celebrity, and Yu Tu, an aerospace engineer were high school classmates. Qiao Jingjing confessed to Yu Tu twice but was rejected both times. Ten years later, Qiao Jingjing became a top celebrity. She wants to become the endorser of a video game but was exposed that her gaming skills are super bad. By chance, she meets Yu Tu, who is now an aerospace engineer and is currently feeling lost about his career. Under Qiao Jingjing's set-up, Yu Tu becomes her gaming coach. They slowly fall in love over time.
Traffic policeman Shen Hong Fei watched helplessly as his master was attacked by gangsters and seriously injured on his first day on the job, but he was helpless. Shen Hong Fei secretly determined to become a commando of the special police detachment.
