Secret Agent Miss Oh

When Shuai Jiamo, who is obsessed with mathematics, stumbles upon a historical problem in Jinhua County, he was met with multiple obstacles in his attempts to correct the mistake, triggering a tension between various stakeholders.

Izzy Bachar, a police internal affairs investigator, discovers just before retirement that his long time friend Barak, a senior police officer, is accused to be corrupt. Life as he knows it breaks into pieces.

Peng Sen, a brilliant weapons engineer devoted to making the world safer through technology, is ready to marry his longtime love, writer Lin Qi. But just as they plan their honeymoon, Lin Qi vanishes, leaving only a breakup letter behind. Her sudden disappearance shatters his dreams and unravels a deeper emotional mystery.

Shinichiro Kosaka is a detective of the major cases unit of the Tokyo Metropolitan Police and on the path to become captain of the unit when he makes a mistake during an investigation. Kosaka was subsequently demoted to precinct duty, where he finds his new colleagues taking on small cases tirelessly with a sense of justice untinged by workplace politics and internal disputes.

Li Wu comes from a lowly background but due to a misunderstanding, becomes a member of the Imperial Secret Police known as the Embroidered Uniform Guards. On the outside, he appears to be selfish and well-spoken, but deep down he’s honest and treasures brotherhood. Lu Zheng is an original guard; aloof and lacks good speech. But through their meeting, they find the friendship both have been looking for and evolve together. Together, they are pulled into many cases and hatred that runs deep in the court. Will they be able to solve all of the puzzles without becoming targets themselves?