Because when the two ex-special agents got married, they would go for the other roller-coaster adventures. Either adventures of love or life. Could this Kim couple handle everything coming all the way? Let's just follow their journey.

(Lee Hana POV) Have you ever met a guy who is cold, mysterious, annoying, but lovely at the same time? Well, I have! His name is Kai and I call him Mr. Black, because he likes black things all over his body. Oh god! That just makes him looks darker.  In our first encounter, he broke into my apartment through the window when I was about to fly to my dreamland. He dragged me from my beloved bed and said, "Come with me! We