Role description: The doctors who were originally responsible for treating patients died of suffocation at birth. Excessive suffocation will kill the patient and implicate the people around him. They can only become experts in the use of poison or force, and they can only keep their distance from others.
Actor profile: Yun Zizhen (note: lù zē zhē n), born in Jinan, Shandong Province, graduated from Shanghai Theatre Academy, and is an actress in Chinese mainland.