Paek meaning overseer in Korean is funny. The guys who wrote Lost named a ruthless Korean business mogul “Paek”, and they usually hid some kind of reference in people’s names, so that makes sense.
We've watched a present day comedy about what it would be like to still have a king there. Then, Dong Yi, Yi San, a short one on a king who died young giving the throne to his evil sister (the evil sisters are a recurring theme in this genre).
Most of the content of these series is HISTORIC. Some of it is just cultural 'here's what it was like then'; some is linguistic and there's actually Confucianism all over the place.
I"ve developed a better understanding of Confucianism and can now more readily separate that from the not-ever-present Buddhism. After all shamanism is still practiced there, as well as ancient Chinese medicine.
Korean reality reflects that of Big China next door as well as other non-Han societies such as Manchuria.
BTW, one of my Korean neighbor's brother in laws is a traditional doctor ~ does the herbs, spices, acupuncture ~ all that stuff. As I mentioned the traditional herbalist also has a brother who is a Western doctor. They operate a hospital.