From the very beginning, in order to understand everything, you do have to pay close attention to each scene and dialogue. While the cutting in most areas of the movie is very precise and fine for the tone, there were a couple bits that seemed an odd transition. I found the story shown quite intriguing, though I have not looked in detail in the real-life story. The conclusion felt a bit anti-climatic, but it is an okay ending.
I would consider this movie watchable if you enjoy a tense and a semi-complicated plot structure for a movie. I would even say it can be re-watched occasionally, though there is little humour displayed.
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