This first episode is so different from the UK version. The story isn't bad but it just seems very, very sloppy.
Isabel is far too uneasy the whole way through. Overacting for getting excessively fidgety.
The sloppiest of all is when the props are all at the wrong place. Isabel has all her stuff out of her bag and back in her bag over and over again and they don't match up. It's especially evident in the end (37:05) when she puts on her lipstick one last time. Her bag and phone are on the left of her but when she was done and the camera angles switches coming from the corner of the room, her bag, phone and everything are on the corner to Isabel's right. No continuity whatsoever. Did they even have a script supervisor? What a sloppy editor for not noticing or ignoring the mistake.
This is not on par with the UK series at all.