Kaifeng fortune teller's film and television novels

I can't understand the ending of the novel I am a fortune teller.

Finally, it means that Zuye sent his men to the government for disposal and was sentenced to murder before being shot. Before he died, he entrusted a big head to take care of his offspring. Big head didn't commit any crime. He finally learned the true Book of Changes, and finally appeared the confession of his ancestors. Since then, the Jiangxiang Sect has perished, and those who cheated their ancestors have also been dealt with. This article is full of blood and tears and is worth reading.