If you dream of fog, you will be deceived by your friends.
Riding a horse indicates the ups and downs of life.
When an official dreams of fog, his boss will be dissatisfied with himself and his position will be dismissed.
Dreaming of entering the plague area will encounter difficulties and pains.
What you said in this dream is that if you dream about fog first, you will be cheated by your friends, and then you will drive into the plague area. From what you described as a grain field turning into a wasteland and people getting sick, we can see that it is actually a plague, that is, you will encounter difficulties and pains. If you are an official,
You will probably lose your job, but for officialdom, you will be cheated by your friends, so you feel very painful.