[Siheyuan] + [Hardline law enforcement] + [Satisfying denunciation spree] + [Face-slapping the whole crowd of miscreants]
After transmigrating to 1960, Zhao Hongqi becomes an officer in the security department of the Red Star Steel Mill, only to find himself in hell mode from the start! Yi Zhonghai uses moral blackmail to force him to give up his room? Silly Zhu threatens to break his legs? The Jia family is out to fleece him for everything he's got?
Zhao Hongqi pulls out the Regulations on Public Security Administration Punishments and awakens the [Beast Punishment System]! Reason with these miscreants? Not a chance! "I'm an officer in the security department. That's law enforcement! Arresting you is part of my job!"
He sends Yi Zhonghai straight to jail, beats up the so-called undefeated fighter Silly Zhu, and demolishes the Jia family's illegal extension! Faced with a courtyard full of miscreants, Zhao Hongqi has only one word: deal with them!
As he watches his once-arrogant neighbors get hauled off one by one, Qin Huairu, who used to hold her head high, finally panics. Late at night, a graceful figure secretly knocks on Zhao Hongqi's door, her face flushed and her voice trembling: "Officer Zhao... we really have nothing to eat at home. Please, show us some mercy..."
Zhao Hongqi eyes the prey that has come right to his door. "Want to settle this privately? That depends on how you behave."
Parole, medical parole... Make people laugh. Silly Zhu hit you with a big spoon from the cafeteria, but it was a hospital-wide meeting...
Can you write something more practical? It's so vague.