After what seems like an age of prologue material, "Prof. Aronnax" (Richard Crenna) and his daughter "Sophie" (Julie Cox) finally set sail on the USS "Abraham Lincoln" under the command of "Capt. Farragut" (Jeff Harding) in search of a sea monster that has been marauding the South Seas terrorising the shipping. Luckily they have harpoon man "Ned Land" (Paul Gross) on board, so catching and killing this beast ought to be a synch. Well, the animal duly arrives and next thing, the threesome find themselves guests of the enigmatic "Capt. Nemo" (Ben Cross) who has a serious axe to grind with…