简单的：
Beginning with genuine footage of the departure of the Titanic on its fateful voyage, this epic movie tells the events of that tragic night from the perspective of fictional survivor Rose. As an old lady of 100 she recounts her story of duty, love and disaster to a salvage crew searching for a lost gem.
完整的：
84 years later a 100-year-old woman named Rose DeWitt Bukater tells the story to her granddaughter Lizzy Calvert, Brock Lovett, Lewis Bodine, Bobby Buell, and Anatoly Mikailavich on the Keldysh about her life set in April 10th 1912, on a ship called Titanic when young Rose boards the departing ship with the upper-class passengers and her mother, Ruth DeWitt Bukater, and her fiancé, Caledon 'Cal' Hockley. Meanwhile, a drifter and artist named Jack Dawson and his best friend Fabrizio De Rossi win third-class tickets to the ship in a game. And she explains the whole story from departure until the death of Titanic on its first and last voyage April 15th, 1912 at 2:20 in the morning.
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