Internationally renowned oceanographer Steve Zissou and his crew - Team Zissou - set sail on an expedition to hunt down the mysterious, always elusive, possibly non-existent Jaguar Shark that supposedly killed Zissou's partner during the documentary filming of their latest adventure. On this journey, Steve's crew are joined by a young airline co-pilot, who may or may not be Zissou's son, a beautiful journalist who has been assigned to write a profile...

In the midst of a snowfield in Antarctica, the scientists and workers of a small American research base are shocked when a helicopter begins to circle their camp, chasing and shooting at a dog. The helicopter is destroyed and the passenger's aboard are killed. The dog is let into the base. The helicopter is Norweign made and probably linked with the base that is close by. J.R. MacReady travels to the Norweigan base and finds the place destroyed. He...