Dance teacher and mother Nadja left her son Mario with her own mother when he was little. Now she has reappeared on his doorstep, seeking a closeness that knows fewer and fewer boundaries. An uncompromising film about family relationships.。“ON THE EDGE” reveals a rare theme for world cinema - female saber fencing. The two main characters are the best saber-fencers in Russia. One of them has been on top of the glory for the long time, while the second one has just broke into the national team through winning almost all the tournaments. The battle between the two great fencers rages on the sports grounds, and conti...。