Marrying a Fox

I have the same dream every night. In the dream, there is a man who always haunts me. He is lying in a blood coffin and he says he will find me. I got a jade pendant of good quality, but the man who sold me the jade pendant only cost one yuan. He seemed to be relieved after giving it to me. I didn't understand, but then, something happened to my father when he was transporting goods. He turned into a cannibal and inhuman fox! Strange things kept happening around me, until that man appeared, and I knew the secret of this jade pendant, and also the secret of the blood coffin...