Omg. What a movie. I started it with zero expectations, and could make out from the poster that it's going to be a survival based story.
To my surprise it is one of the most detail oriented movie I've seen so far. Ik it's obvious, as there's nothing but the survival of the protagonist and the details of survival are to be shown.
Without giving too much about the movie, I can say for sure that one can go through turmoil of emotions and be engaged about "what next" at the same time. ( I got scared, was horrified, cried and was happy at the end) I was looking forward to the last ounce of survival for the protagonist.
To sum up the movie in one sentence, I would say that "You gotta fight to survive". It's not just for the movie but for life.