this drama is worth watching you need a lot of free time to watch it because the next episode just make you curious,the acting is so good sometimes i forgot they were acting,if you watch till season 2 you will probaly think of the ost all the time its just so good honestly they shouldve gave more screentime to pyo ye jin because her acting was so good i also want to see her doing action moves ,this series arent just about actions sometimes theres a lot of funny scenes to make you laugh the fight scene is so cool when do ki did it ,so yeah dont think twice once you watch it you'll love it