Such a Top-Quality Green Tea, Why Do You Still Have Three Faces?

"Madam, wake up, wake up quickly." I gradually woke up amidst Xiaotao's shouts, but I still couldn't stop trembling all over, and my chest hurt as if it had been shattered. It's this dream again, and I have repeated it every day for the past month. The woman in the dream is running toward me with a sword in her hand. I have never escaped. Who is she? Why does she come into my dream every night?