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Ok i liked it so I will say you must try it although performance decays as series progress but fine. You can watch first 4-5 episode then may break the show by bunking some and continuing from later. Story is good. thrill was good Although end was completely boring.
They can have done better than this. Story can be twisted a little some of the things are not clear at end also e.g. why it is normal to change future everything else remain same even someone is able to change. Future is claimed to already happened in series ? Addictive series I have started it and then end it on the same day a complete night out. Things hunt you after each episode at least for some hours. Rating 8/10.