|Park Yoo-Chun as Choi Moo-Gak|
Shin Se Kyung as Oh Cho Rim
Young girl is witness to her parents murder, gets into a car accident running from the murderer and loses her memory. The badguy goes to the hospital but silences the wrong witness, The younger sister of the eventual police detective, Choi Moo-Gak, who vows revenge. Time passes during which the girl realizes she has ability to see the smells around her. At first she hides it, then eventually, uses it to assist police in hunting down the expertly elusive barcode serial killer.
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