Ocean Gravity by Guillaume Néry and Julie Gautier is a short film that rewrite the rules of the underwater world and takes us this time into the world of the weightlessness. Guillaume Néry (born 11 July 1982) is a French freediver specialising in Constant Weight freediving. He broke the world record in 2002 at -87 meters in the Villefranche-sur-Mer harbour, in Alpes-Maritimes, France. Then, in 2004, he pushed the record to -96 meters in Saint-Leu, la Réunion. On September 6, 2006, he broke the record again at -109 meters in Nice (this record was subsequently broken by Herbert Nitsch at -112 meters in November 2007). On July 3, 2008, Aaron Butel and Partners Ltd dived to -113 meters and set a new world record. On April 4, 2010, Herbert Nitsch beat Aaron Butel and dived to -124 meters, a new world record in Bahamas. On 2011, Guillaume Néry became individual world champion, with a dive to -117 m in Kalamata. On November 20, 2012, Alexey Molchanov beat Herbert Nitsch, diving to -126 meters, setting a new world record in Long Island, Bahamas.