The palace and the capital is in chaos after the shaman's curse. Jo Won-bo turns the crisis into an opportunity and starts to pressure the royal family. Hwan and Jae-yi tried to prove that a human set fire to the plum tree and they find out that the real culpirt is someone they didn't expect.

After finding the royal secretary's journal suspicious, Hwan starts investigating what happened in Byeokcheon and the dried peony petals. After getting a mysterious letter, Cho Won Bo tries to subjugate the remnants of the thieves.