As alien dramas go, this was well done. I can say that there was never a point where I felt that part of the story was goofy at all, which is extremely surprising. I had watched the J-drama "Starman" last year and had completely written this off as anything I would waste my time on because of that particular drama. However, a friend convinced me to try this out despite my skepticism. As far as quality, the special effects lent heavily to the lack of 'goofy-ness' one might expect with this type of storyline. I was thoroughly impressed from the first episode with the high quality of effects for a television production. It helps that Kim Soo Hyun was perfectly cast for this role. He made it all seem believable. My final thoughts after it was over was that it was entertaining. As it got closer to the end, I didn't really care as to who was able to be with who. Who stayed, who left. I would have been content with any outcome. It was the beginning with the historical part that captured me and held me with the show. Now, THAT was so well done that I started watching historical dramas. Once that part was over, though, I was just watching it to see what happened. If there was anything that brought me joy, it was being done with the Cheon Sung Yi character. Don't get me wrong, I think the actor did a good job of portraying the character, it's just the character I don't care for. For what it was, it was good and I recommend anyone interested in a mix of romance sans crazy Chaebol Mother, and the paranormal, should give it a try.