Vampires represent both the fear of death and the fantasy of immortality, never dying. You can also see the theme of drugs in some theseer vampire films. Being a vampire means that you have to live at night,. You need to drink blood in order to stay alive; if you don't, you get sick. In movies like er, the lost boys are about loss of innocence and the pressure to copy your age so do the same as people of your age. They're about temptation and the night time drug culture of young californ s.