This series deserves a higher rating than it currently has. It is a storyline with suspense, that keeps your attention. There are some not very well worked out aspects in the storylines of certain characters, but that doesn't devaluate the show too much.
I like it and couldn't stop watching. Would definitely recommend (and I'm a series snob).
And, for the Netflixers; it's a fresh change from a lot of soap opera like shows from Spain. This is better quality and more Netflix worthy.