It takes a certain time to clean elaborate in the series because, although initially the subject is addressed itself directly and without beating around the bush beating around, but the background of each character - especially the character of Damien Lewis - dropped only sparse and short. However, these deeper insights and show that not everything is as it seems.
The actor's performance is absolute top-level and shows the visible for several years trend that Hollywood's top-class more and more of their time in pay TV investments (and be paid accordingly).
The series is worth all times for all those who want quality entertainment, with the proviso that a little more substantial scenes must be "processed" every now and then.