Cijiu, the female monarch who is in charge of the exotic flowers, plants, birds and animals in the world, and Yingxin, the king of medicine, were ordered by the Emperor of Heaven to help an immortal official, Liu Shengliu, fulfill his unfulfilled wish in the world.
And everything the Weisheng sisters experienced was just to prove that only by saying goodbye to the past can people better embrace the present and the future. Saying farewell to the old and welcoming the new, that's probably it.
Conception: