What vampire movies would you advise to an adult who doesn't understand the story behind the vampire.?

I did see 'The twilight series' and well ..no comment. I began to watch 'The underworld' but didn't understand what they were all about. Can someone help me please.
Update: They won't let me rate answers here ever as they say that I must be at level two so I will just say thanks for the 'Dracula' answer. No one could think of his name. Now I can download it.Thanks, best answer.
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