That place where Haemi and Jinhyun friend was looks like the place where the friends hang out in the kdrama hospital playlist and also, was the professor at the end talking about getting rid of Jinhyun or the Chair man of the hospital
He was talking about Jinhyun. He mentions a "lowly resident doing trivial work" and talks about removing him from surgery.
That place where Haemi and Jinhyun friend was looks like the place where the friends hang out in the kdrama hospital playlist and also, was the professor at the end talking about getting rid of Jinhyun or the Chair man of the hospital