The story and how it unfolds is captivating, because it carries you along, makes you a third person in the story. There are no cliffhangers, but it feels much better, the feeling being in the narrative. One remembers the storyline much like a movie.
Then Chiwetel Ejiofor, the actor proves himself a classy and worthwhile actor. His acting is exceptional and it has earned him my respect.
The series keeps you wanting more.