You have a movie plot summary and do not remeber movie title, generate a search query.
Plot summary:
In 1996 vessel Akademik Mstislav Keldysh where NAME_1 and his team search for wreck of Titanic they come across a safe hoping that it could have the necklace also known as heart of ocean.After opening the safe they find that it just has sketches of a nude women with the necklace which are dated April 14 1912 same day Titanic submerged.An old lady identifies the pictures aired on television and discloses that the pictures belong to her and she is NAME_2.NAME_3 accompanies with her granddaughter and encounters her experiences to NAME_4 and his team she was then 17 years old who boarded Titanic with her mother NAME_5 and NAME_6.NAME_5 wanted NAME_3 to marry NAME_7 so that their financial problems will be solved and status will be upright,NAME_8 a poor artist wins a third class ticket for Titanic in a poker game and boards the ship with his friend.NAME_3 isn't happy in her relationship with NAME_9 and tries to jump of the ship and gets saved by NAME_10.NAME_3 and NAME_10 further keep on meeting and develop a liking towards each other but NAME_5 and NAME_9 warn NAME_3 to stay away from him somehow they both reconcile and NAME_3 takes him to his room.NAME_3 asks NAME_10 to sketch her just in the necklace (heart of the ocean) when NAME_7's manager comes in search of them they hide in a lower deck of ship in a car and make love towards each other when the tragedy strikes of Titanic hitting the iceberg.The captains of the ship tried their best to save the ship hitting from iceberg but were in vain NAME_10 and NAME_3 overhear the officers that its a serious situation and that within two hours the ship will sink.