The core conflict ignites when Ah-jung faints and is taken to the hospital by (Kang Ji-hwan), the cold and calculated CEO of World Hotel. After a run-in with her antagonistic "friend" So-ran, Ah-jung impulsively claims she is married to save face. Due to a series of misunderstandings—including being seen in the hotel with Ki-joon—the rumor quickly spreads that she has secretly wed the famous billionaire. Key Characters and Cast Lie to Me (Korean Drama) - AsianWiki