Fridge Brilliance
- The police at first suspects Sung Joon of being a culprit because even twins don't have the same fingerprints. They're right, but they're not twins. They're clones of the same guy.
http://tvtropes.org/pmwiki/pmwiki.php/Fridge/DuelKoreanDrama
FollowingFridge / Duel (Korean Drama)
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