I found this historical drama to be impressive and moving. This was amongst my first historical K-dramas, and it left me with a strong impression.

Great performances (Ha Ji Won & Ji Chang Wook!), and the amazing costumes added to the overall impression.

Although the story (as I remember it now quite long after watching) had a few "jumps"/gaps, I guess it was due lack of references and to not make this long drama even longer.

Warning: Big chance you will cry at least once, maybe more.