Apr 1, 2015·58 min

After her parents are murdered, a young woman awakens from a coma with total amnesia, and crosses paths with a cop who suffered a loss of his own.

Apr 2, 2015·58 min

Choi Mu-gak agrees to help Oh Cho-rim with her comedy skit in exchange for assistance on a case that could earn him a spot in the Violent Crimes Unit.

Apr 8, 2015·58 min

Cho-rim leads Mu-gak to a body in the river and is later followed. Mu-gak reveals to Cho-rim how he lost his sense of pain, taste and smell.

Apr 9, 2015·58 min

A new barcoded body is found, but Lt. Yeom Mi suspects it's a copycat killer's work. An accidental injury brings Cho-rim to Dr. Cheon Baek-gyeong.

Apr 15, 2015·58 min

When a strangled chef falls off a roof, Kwon Jae-hui becomes a suspect, but a scent leads Cho-rim elsewhere. Mu-gak learns why Baek-gyeong went to Jeju.

Apr 16, 2015·60 min

A confession letter is written and stored. Ju Ma-ri's journals are discovered. Mu-gak figures out what the barcodes on the victims' bodies signify.

Apr 22, 2015·59 min

The Barcode Killer places the next body so it will be found and covers his tracks. Cho-rim's friend Ma Ae-ri is accused of stealing from her employer.

Apr 23, 2015·59 min

Mu-gak is rushed to the hospital, where the police set a trap for his attacker. The Barcode Killer decodes his last victim's cryptic final message.

Apr 29, 2015·59 min

Mu-gak lures the Barcode Killer using fake medical records and a decoy Choi Eun-seol. Yeom Mi creates a police sketch of the woman Cho-rim remembers.

Apr 30, 2015·59 min

Yeom Mi follows her hunch about Cho-rim, who has a flashback to the moment of her accident. The misplaced confession letter is found among some books.

May 6, 2015·59 min

Mu-gak snoops in Yeom Mi's office and learns why she took him off the case. The Barcode Killer visits Cho-rim's dad to find out who the witness is.

May 7, 2015·59 min

Cho-rim manages to escape from the Barcode killer, who steals a photo from her father's home address in order to identify her.

May 13, 2015·59 min

Cho-rim reveals her special ability to the entire Violent Crimes Unit. The Barcode Killer uses the witness's old school friends to lure her into a trap.

May 14, 2015·59 min

When the police are unable to find the secret room where Yeom Mi is being held, Cho-rim contacts the Barcode Killer and volunteers to take her place.

May 20, 2015·58 min

The Barcode Killer makes a run for it. Cho-rim remembers more about her parents and the day of her accident. A romantic gesture backfires on Mu-gak.

May 21, 2015·59 min

The Barcode Killer abducts Cho-rim in order to lure Mu-gak into a deadly trap, but Cho-rim leaves behind a clue that could save his life.