C48 A Central Situation
Yin Qing's plan is very complicated, he must have considered that if we appear, it will affect the balance between Yang Yun and him, and what he needs to do is to remind us that her father Yin Zhengyuan might be in trouble, and ask us to help him investigate Yin Zhengyuan's situation.
While we were investigating Yin Zhengyuan, we followed the vines and found out about Yang Yun's curse technique