"Era" is a world where steam, magic, machinery, alchemy, and extraordinary power coexist.
When Luke, who traveled back in time, had his head covered and an Imperial agent held a gun to his head, he decided to tell a lie.
So he became the detective of the Secret Intelligence Bureau of the Cape District of the Golden Shield Empire.
Luke, who is familiar with the plot, just wants to survive in this world that is about to be chaotic, get some money and materials, and use the secret words to increase his power.
He robbed, kidnapped, and extorted money. He used plot guides to commit crimes, but he never thought that by robbing an imperial gold ship, he would solve the largest smuggling case in the history of the empire?
As a "fake" detective with a promotion order, Luke felt very embarrassed...