Dexian College is a school with a long history but full of the flavor of the times, covering an area of 120,000 square meters.
But behind such a high-quality campus, there is a dilapidated and abandoned teaching building...
In order to realize his dream when he was young, the old principal with different personalities convened five people with outstanding minds and skills in different fields.
Because it was decided that the detective agency would be located in a large classroom on the fourth floor, and the classroom number happened to be 1012.