it was perfect and i mean it the casting the acting its perfect. there were a lot disturbing scenes i think but i dont mind it too much i think this is one of the best dramas i watched in a longggg time i binged it in the middle of the night i dont remember the time i was so into drama actually. i watched it because of dong wook but completely fell in love with the actress god i loved it so muchhhhh. so tu sum up its perfect the plot, actors, acting itself watch it if you are not afraid of blood and thing like that 10/10💯 (dont mind the grammar i am writing 3 in the morning half asleep)