Noh Gojin ignores death threats. His secretary Lee Sina gets deadly ill and dreams revenge.
Sina finds out how much time she has left to live, and, dreaming of revenge, angrily heads to Gojin's villa to give her resignation. Gojin suffers after a car accident.
Sina pretends to be Noh Gojin's fiancée out of revenge, caring for him whilst also tormenting him.
Sina enters Gojin's house, deceiving Oh Segi. Gojin, who has memory loss, transforms into a completely different person. The culprit of the car accident Kang Min attempts to flee to another country but secretly stops by Gojin.
Noh Gojin deceives everyone. Knowing the perpetrator on the night of the accident where he was left to die, Gojin feigns amnesia to catch the culprit. Lee Sina feigns to be Gojin's fiancée.
Noh Gojin hires John, the best private detective, to investigate Kang Min, Sina and who he believes to be the culprit. Sina continues her vengeful tormenting of Gojin, unaware Gojin is feigning amnesia.
Kim Jae-wook
No Go-jin
Krystal
Lee Sin-a
Ha Jun
Oh Se-gi
Im Won-hee
Park Yangtae
Lee Si-eon
Kang Min
