One of the beautiful dramas that you will always remember. All the actors have acted well most importantly the leads, the antagonist and Park sung woong. The reason why we want the protoganist to succeed is because the character arc of the antagonist(Namgoong Min) is well written and when you see the antagonist losing in the end, you will feel for him too inspite of all his sins. The ending was more realistic. It just made to feel that this is what life is. A huge credit should go to the writers for the male and female lead's characterization, it felt more natural.