 The film is a survey of the world's oceans, emphasizing that it is a single interconnected ocean and the dependence of all life on the planet.The film shows researchers tracking whales, a Coast Guard rough-weather rescue squad, a deep-ocean research team, and the Palau Islands, which contain an unusual jellyfish habitat.The film is directed by Academy Award-nominated IMAX director and cinematographer Greg MacGillivray, who also directed similar water-conservation themed documentaries such as "".