wow, the story is so great, some says its another remake of the time travel stories, but this one, its good, No! its GREAT!!!!!!!!!!!! u wont regret watching the story aside from the addictive face of choi young, the story is so different, we cant predict whats gonna be the ending, either choi young will come with the doctor in the future or the doctor will choose to stay........... we'll lets all watch and see whats gonna happen.................