Master Detective Training Manual

Remember, never dig for unsolved mysteries.

Because you will never know how much the people at that time paid to cover it up.

Beneath the false calm surface, most of the truth is cruel...

Never mind, let me explain it more clearly.

If one day you see a book dropped on the ground on your way home from get off work, restrain your curiosity and don't touch it.

......

Unfortunately, Zhou Yan didn't realize this at first. So he picked up the book. The book had a rather awkward title—"The Master Detective Training Manual."

As for the author...his name is Fatty.