I have literally just finished this drama and am to emotionally unstable and attached to do an in depth analysis of this show (hopefully at some point I will).. But i've just come online to tell anybody who is contemplating watching this show STOP! You have stumbled upon something mind-blowing and you are in for a treat. Don't think any further just press play because you are in for an amazing 20 hours. It keeps you gripped every second, makes perfect sense at every step despite the complicated plot, doesn't give any uneccesary angst, has amazingly lovable characters that are going to stay with you forever along with being funny and having all the feels. STOP READING.. START WATCHING. Lucky you.. I wish i could watch it for the first time again.