What is it like to be a castaway in the open sea? You can try it right now, because you and your friend ended up being alone in the open sea, where all you have, are some wood planks, from which you can make at least a temporary flatboat. Well, it's not a luxury but better than having an extra swimming lesson. Humor aside though, this is going to be a fight for your life. Show off, how your survival instincts are developed and how you can deal with difficult situations where your own life will be in serious danger.