Without Ning Yu, Liu Jie could never have become emperor.
That's why Liu Jie was always a little afraid of Ning Yu, so afraid that he wanted to kill her.
Without Liu Jie, Ning Yu could never have become empress.
Ning Yu knew Liu Jie was afraid, so she didn't run away either. Amid the wreckage of their reputations, she picked up the pieces of the rest of their lives in the Ming Palace.
Liu Jie: I calmly entrusted Ning Yu with my back and my front. It wasn't because I trusted her. It was because I loved her, though I never said it to her in person.
Ning Yu: He did say it, in a dream.
Theme: Growth and reconciliation