My opinion

I liked the movie. I suggest everyone to watch it. Deserves your time and effort or money.

Cautiva is a good film with some problems.

Good things:

Tha cinematography and the acting was good for most of the movie.
The topic of the story is an important one which deserves and needs to be expressed in artistic form.
There is no plot hole. At least I couldn't percieve any stupidity in the flow.
The characters are quite natural and convincing.
Reactions of the characters on certain incidents are well thought.
Judge also is portrayed good (he is a good actor).

Bad things:

The music was exhaustive at certain points.
Bárbara Lombardo (Sofia) might have acted better. She was a little bit "raw".
It might be better if there was some more thrill and/or suspense to keep spectators "entertained".
The ending might be stronger, rather then as it currently is.

Uncertain:

I felt like his father was portrayed like "innocent." I would rather prefer him to be guilty.

Overall:

As I said, I liked the movie and gave a 7/10. I suggest everyone to watch it.

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http://www.imdb.com/mymovies/list?l=15227539