本片根据法国著名科幻小说家凡尔纳(Jules Verne)同名名著《海底两万里》(20,000 Leagues Under the Sea)改编。1868年航运界传言各大洋有海怪出没，频频袭击过往船只，各国政府被迫派遣军舰维护航道安全，同时调查海怪真伪。不料调查舰被不明怪物撞沉，只有阿龙纳斯教授、助手康塞尔及鱼叉手尼德·兰被“鹦鹉螺号”潜艇救起。该潜艇由尼莫船长指挥，对运载军火的船舰均予击沉。尼莫敬重阿龙纳斯的成就，将其视为上宾。潜艇要返回瓦康尼亚基地，补给船上物资，中途到深海探索海底世界。教授...
The film begins with Bell's childhood in Scotland, where his is initially intrigued by sights and sounds. The film then follows his days as an inventor in Brantford, Ontario, Boston, Massachusetts, and Baddeck, Nova Scotia....
