杰克（让-马克•巴尔 Jean-Marc Barr）在希腊海边长大，虽然小时候眼看着爸爸死于一次潜水事故，却没有削减杰克对大海的热爱。当杰克的朋友恩佐（让·雷诺 Jean Reno饰）找到他，劝说他参加潜水冠军大赛时，杰克答应了，在比赛中成绩突出勇夺冠军，并且得到了乔安娜（罗姗娜•阿奎特 Rosanna Arquette饰）的爱。两人打得火热，杰克却意识到他放不下、离不开大海。

　　In December 1776, Benjamin Franklin is world famous for his electrical experiments. But his passion and power are put to the test when he embarks on a secret mission to France — with the fate of American independence hanging in the balance.