Twin siblings are training at the French astronaut school for the opportunity to represent their country at the European Space Agency selection programme. It's 2041 and the two are swimming in a lake when the more experienced and successful of the two is exposed to something. Nobody knows quite what it was, but the result is entirely debilitating for "Tristan" (Louis Peres) and that leaves "Laz" (Pablo Cobo) dealing with issues of guilt and also with a determination not to let his brother - or their mother "Mayra" (a strong effort here from Martia Nieto) down. Can he raise his game and stay mot...