67 effin hours!!! aside from the bragging right finishing this, i get to know the most famous doctor in joseon history. the drama covers Heo Jun's entire life from childhood till his death. But they only casted 2 actors, one as a child, then the other (Kim Ju Hyuk) as a teen until his old age. i dont know how young KJH was when he did this but he was not convincing as a teen. Nam Gung Min, who is supposed to be the same age (might be older in the story) as KJH is also not believable as an old person. No amount of facial hair can make them look any older. The most funny thing is Park Eun Bin, 24yo IRL (wife of Heo Jun) plays as the mother of Lee Hae Woo (29yo IRL). It just look ridiculous seeing the son looks very much older than her mother lol. Focusing on Heo Jun's life story, it's very depressing. I dont know if its how Heo Jun character supposed to be, he doesnt show much emotion in here. Heo Jun doesnt seems human at all. He doesnt throw jokes, doesnt show romantic affection, dont throw rage, - it feels like he has no soul. Some of his life decision will put jesus to shame. His righteousness will make you feel a really bad person. Good thing that the side characters add flavors to the drama. If not for the side characters, this is one depressing drama.