"Focus on the details."
Now that's a great mindf*ck movie. Awesome!

Spain does it again.Best thriller of the year and one of the smartest movies ever!

Ending was magic please watch it :)

Awesome movie , great scenario and acting , highly recommended

If you like mystery, this one's for you! The plot is interesting and you cannot predict what happens until the last moment!

One of the best thrillers of all time. Don't regret to watch it. A real mind fucker.

Incredible movie, ranging from acting, ending with a twisted plot and an unexpected ending. The best detective I've ever watched in my life. 20/10

This film is awesome since beginning until end

This is the best movie ever. 10/10 movie

The script is loose, the performances are lazy and a story very used in the movies without any new contribution

great movie. the end blew me away.

It was only okay. The twist is quite obvious and I initially overlooked it as too obvious when I was watching. I was waiting for a double twist so the ending was quite disappointing for me.

[spoiler] I though what was going to happen was that Adrián was innocent and he was being frame by Tomás (the dad). I thought Tomás had contracted this lawyer person too or had kidnapped her on her way up to Adrián's room and his wife had gone in instead (which ended up happening). It was very obvious that the lawyer was not on Adrián's side and I thought he was aware of this and was feeding her false information all-the-while knowing he was being recorded because he obviously was - having to retell the story from the very beginning is a tell-tale sign of this. And also the lawyer pointing the pen at him the entire time as if it were a microphone. It was quite disappointing as he would've been able to spot being tricked by this woman miles away after having supposedly carried out a murder and successfully covered it up. [/spoiler]

The acting and cinematography are great however.

"Focus on the details."
Absolutely amazing!! My mind was blown by the ending, when everything fell into place I actually screamed at the screen. If you're into mysteries, this is the movie for you. Incredible!