Three years ago, Choi Moo Gak lost his younger sister in the "Bar Code" murder case. Since then, he has become cold and insensible, as he lost his ability to taste, smell, and feel pain. Meanwhile, Oh Cho Rim miraculously survived that the same incident. Since then she has lost her memory, but also gained the ability to see smells.
E1
When Choi Eun Seol wakes up from a coma, she not only has amnesia, but the ability to see scents. Unbeknownst to her, she has also been given a new identity under the name Oh Cho Rim.
E2
In exchange for the help of her unique ability on a difficult case, Moo Gak becomes Cho Rim's partner for a comedy skit.
E3
Moo Gak is officially appointed a detective position on a special team thanks to Cho Rim's help. The two exchange stories on how their strange senses or lack thereof came about.
E4
Moo Gak investigates the seemingly next victim of the barcode murders with the help of Cho Rim once again, but the outcome is unexpected.
E5
Chef Kwon is a suspect for murder, but Cho Rim is determined to prove his innocence. Moo Gak makes an unexpected discovery on his sister's murder.
E6
Cho Rim gets hired at Chef Kwon's restaurant. Moo Gak wants Cho Rim to stop helping him investigate murders.
E7
Cho Rim and Moo Gak must break a seemingly perfect alibi in order to help Ae Ri. Meanwhile, another barcode murder happens with a shocking victim.
E8
Detective Choi's close brush with the serial murderer puts his life in grave danger.
E9
Kwon Jae Hee becomes the prime suspect in the barcode murders, but now it's a matter of proving it.
E10
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E12
E13
E14
E15
E16