Vengeance has been sworn by renowned oceanographer Steve Zissou upon the shark that occupies a part of the team. Besides his team, he's joined on his ship by Ned, a guy who considers Zissou to be his daddy, also Jane, a journalist pregnant by a man. They traveling the ocean, all too often dashing in to pirates and, even more traumatically characters from Zissou's past, including his wife, Eleanor.