Revenge 20 Man-woman relationships 16 Assassins 10 History 10 Martial artists 10 Friendship 7 Missing persons 7 more ... Aristocracy (Social class) 6 Boys 6 Drama 6 Fathers and sons 6 Venganza 6 Women martial artists 6 Kings and rulers 5 Police 5 Spies 5 Swords 5 Theft of relics 5 Battles 4 Chrysanthemums 4 Criminal behavior 4 Espionage 4 Foreign films 4 Gangsters 4 Human-alien encounters 4 Surprise (Military science) 4 Terrorists 4 Adventure and adventurers 3 Clans 3 Computer programs 3 less ...