This series started off on an interesting note and had twists and turns in each episode. Dragged in the middle of season 2 or 3 but i finished watching it. I can say its a mix of everything - suspense, no-logic sequences, confusing, but had me glued to it till the end. The climax was a bit flat not living up to its hype though. Several scenes / episodes was predictable and presenting itself as a "cinema" and not believable. For example Michaela fell from a cliff of a good height and minutes later waking up with not even minor bruises !!.. in real life.. no way :-)
Overall if you have a lot of patience, can watch it once .