It's pretty obvious that the police friend and the nurse are involved. And when the male lead told the chief that…
I think CNG and the doctor might have both been involved in Da Eun's death... CNG has had a obsession with the ML since high school and the ML liked Da Eun so she probably wanted her out of the way so she could have the ML... Maybe she lured Da Eun to the building that night to kill her or for the doctor to kill her
I just received the book this drama is based on from the library
✅ Wonderful Life
I am only on ep 3 so far
The older female cop was around back in 2021 according to the cast list which has a younger actress playing her but haven't got to that part yet