A confession letter is written and stored. Joo Mari's journals are discovered. Moogak figures out what the barcodes on the victims' bodies signify. Air Date : 16th-Apr-2015

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. Air Date : 1st-Apr-2015  Read More

Choi Moogak agrees to help Oh Chorim with her comedy skit in exchange for assistance on a case that could earn him a spot in the Violent Crimes Unit. Air Date : 2nd-Apr-2015  Read More

Chorim leads Moogak to a body in the river and is later followed. Moogak reveals to Chorim how he lost his sense of pain, taste and smell. Air Date : 8th-Apr-2015  Read More

A new barcoded body is found, but Lt. Yeom Mi suspects it's a copycat killer's work. An accidental injury brings Chorim to Dr. Cheon Baekgyeong. Air Date : 9th-Apr-2015  Read More

When a strangled chef falls off a roof, Kwon Jaehee becomes a suspect, but a scent leads Chorim elsewhere. Moogak learns why Baekgyeong went to Jeju. Air Date : 15th-Apr-2015  Read More

A confession letter is written and stored. Joo Mari's journals are discovered. Moogak figures out what the barcodes on the victims' bodies signify. Air Date : 16th-Apr-2015  Read More

The Barcode Killer places the next body so it will be found and covers his tracks. Chorim's friend Ma Aeri is accused of stealing from her employer. Air Date : 22nd-Apr-2015  Read More

Moogak 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. Air Date : 23rd-Apr-2015  Read More

Moogak lures the Barcode Killer using fake medical records and a decoy Choi Eunseol. Mi creates a police sketch of the woman Chorim remembers. Air Date : 29th-Apr-2015  Read More

Mi follows her hunch about Chorim, who has a flashback to the moment of her accident. The misplaced confession letter is found among some books. Air Date : 30th-Apr-2015  Read More

Moogak snoops in Mi's office and learns why she took him off the case. The Barcode Killer visits Chorim's dad to find out who the witness is. Air Date : 6th-May-2015  Read More

Chorim manages to escape from the Barcode killer, who steals a photo from her father's home address in order to identify her. Air Date : 7th-May-2015  Read More

Chorim 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. Air Date : 13th-May-2015  Read More

When the police are unable to find the secret room where Mi is being held, Chorim contacts the Barcode Killer and volunteers to take her place. Air Date : 14th-May-2015  Read More

The Barcode Killer makes a run for it. Chorim remembers more about her parents and the day of her accident. A romantic gesture backfires on Moogak. Air Date : 20th-May-2015  Read More

The Barcode Killer abducts Chorim in order to lure Moogak into a deadly trap, but Chorim leaves behind a clue that could save his life. Air Date : 21st-May-2015  Read More