"Vingt Mille Lieues Sous Les Mers — Part 1" by Jules Verne is a novel published in 1869-1870. When a mysterious sea monster threatens ships worldwide, Professor Aronnax joins an expedition to hunt it down. After a catastrophic encounter, he and two companions discover the creature is actually an advanced submarine commanded by the enigmatic Captain Nemo. Held captive aboard the Nautilus, they embark on an extraordinary underwater journey, witnessing ocean wonders while gradually uncovering their captor's dark secrets and vengeful mission.