A stunning examination of masculinity in crisis and how one split second decision under duress can change the whole infrastructure of a family unit. Increasingly tense dialogue exchanges ensue. It's also surprisingly humorous at times. Some bravura sequences in this sucker too, like the epic avalanche long take, and the stressful, thought-provoking bus ride that closes the film. The scene at the bar with the song Reload playing in the background might be my favorite though. It tells a lot…