C79 Such an outcome

"You intentionally told the Aunt Li that it was Nanny Zhang helping you in the dark, and even said that everything you've done was under my guidance. If I don't hate you to the core, when she comes out of the ancestral hall, I won't feel good."

Her idea was to sow discord.

Since Nanny Zhang wanted to be loyal to Madam Li, then let her personally try out her methods of punishing her