Undercover police officer Gu Yixing - frontline military doctor Jiang Yu
The first time Gu Yixing and Jiang Yu met, Jiang Yu almost stabbed Gu Yixing in the face.
When they met again, Gu Yixing looked at the scalpel in Jiang Yu's hand and said, "Dr. Jiang, be gentle this time."
Jiang Yu looked at the bloody wound and thought, how could someone still laugh and joke under such circumstances?
Purpose: to protect