Take the book of Esther. You have a beautiful young woman, sent to work for a rich and powerful man who seduces her and… (Wait a minute, just where did the idea for Fifty Shades come from?)
Anyway, we have a classic villain, Haman, who wants to kill every single Jew everywhere. (Genocidal villian – Ian Fleming could have based a few characters on him…)
We have the wizened old man, Mordecai, acting as mentor and spiritual guide… (A source for George Lucas’ Obi Wan Kenobi?)
The heroine risks her life to save her people, tricking her enemy and eventually leading a revolt that sees the Jews rise up to overpower those who would have slaughtered them.
Without doing too much reading between the lines, you have an orphan story, romance, sex, political intrigue, thriller and violence.
Someone should really make a movie out of that book!