The writing is predictable and the twists aren't that shocking, if there's one thing that must be changed about this is the writing, because the production is amazing, it's on movies level, I'm so disappointed with the writing because this could've been made into something so much better, the story line isn't something that'll hook you especially if you're as picky as I am, and the chemistry between the leads wasn't good, at all, it was rather cheap, and so goes for the comedy and the love triangle thing with sung rok, and suzy literally existed to just be in love with the male lead for most of the series, she was given a strong role but it was just the title, she was a special agent but she wasn't that good, and as for sung gi, a stuntman can't pull all of that, he can't just fight with trained men and agents and knock them all to the ground, it was very unrealistic, I wish someone else other than suzy played this role, with different writing and someone who can actually act instead of suzy this could've been something, but the ending is something, I'll watch season 2 if there's one