Siheyuan: A Criminal Investigation Expert Cracks Every Bizarre Case in the Capital

On New Year's Day, 1949, sixteen-year-old He Jinyin flees into besieged Beiping and collapses from hunger at the entrance to He Daqing's home in Nanluoguxiang.

His parents and relatives are all dead. All he has left are a second uncle who's good with numbers, young He Yuzhu, and little He Yushui.

Fortunately, He Jinyin has a ten-square-meter stasis space, as well as composure and courage far beyond those of his peers.

From earning his first meal and helping Silly Zhu survive life-and-death dangers to joining the inspection and public security forces, he finds his footing step by step as the old era gives way to the new.

Enemy agents, black-market ticket sellers, murder cases, undercover operations, and strange major crimes appear one after another. With sharp observation, deduction, and ruthless methods, He Jinyin cracks each case while protecting his family and guiding them toward a stable life.

Who says a refugee boy can only scrape by?

Starting in 1949, he'll write a public security legend of his own!

This novel and its characters are entirely fictional. Any similarities are purely coincidental. Do not imitate.