主演：路易莎·克劳瑟  苏菲·洛  Stella Uhrig  Shire Richardson  David Scicluna  

导演：Maximilian Erlenwein  

简介：Twosistersgodivingatabeautiful,remotelocation.Oneofthesistersisstruckbyarock,leavinghertrapped28metersbelow.Withdangerouslylowlevelsofoxygenandcoldtemperatures,itisuptohersistertofightforherlife.