The obvious highlight of this drama is Ji Sung the man is just too good! The drama was planned to be 16 episodes but then got an extension of extra 2 episodes which made the last chunk of episodes just too messy. The writer didn't know in what direction to take and how to rearrange the events accordingly. The story and its pace were problematic, it's pretty monotonous after the cast was introduced in the first 2 episodes. Also, meh ending.