One of my first drama's (my 1,2,3 or 4 not sure) and i can tell you i have rewached it 20 times already. The story - I loved it, you must have great imagination to think of something like this. Some people had some preblems with the "age" but that's the story and its better that way and it wouldn't be the same without it! The acting was impressive. Lee Jong Suk stole my heart! The first drama i have seen with him and for me it's his best drama even now at the end of 2016 it is still his best. The female lead is a great actress i love her, i love them both XD The music 10/10 the OST is now 3 years later still in my head...lol..... Rewatch Value- no comment,i have watched it more than 20 times... young or old just watch it if you are 28, 30,40,50,60,100 or more and think you are too old for K-dramas you are not... WATCH IT, YOU WONT REGRET IT!