Duel

June 3, 2017

Detective Jang Deuk-cheon's daughter is kidnapped by a suspect who appears to be a human clone. The chase begins across Seoul.

June 4, 2017

Deuk-cheon discovers there are two identical men — one a cold-blooded killer, the other seemingly innocent. He must tell them apart to save his daughter.

June 10, 2017

The clone with a conscience, Sung-joon, offers to help Deuk-cheon find his daughter. The villain's plan begins to take shape.

June 11, 2017

Deuk-cheon and Sung-joon form an unlikely alliance. The dark science behind the cloning program is slowly revealed.

June 17, 2017

A clue leads them closer to the kidnapper but reveals a much larger conspiracy involving powerful figures.

June 18, 2017

Sung-joon's past and the identity of the scientist who created the clones begins to emerge.

June 24, 2017

Deuk-cheon gets closer to his daughter but is thrown off course by a shocking betrayal within the investigation.

June 25, 2017

The evil clone makes a dramatic move that puts both Deuk-cheon and Sung-joon in mortal danger.

July 1, 2017

Sung-joon learns the full truth about his origins. Deuk-cheon must decide how far he will go to bring his daughter home.

July 2, 2017

The mastermind behind the cloning program is unmasked. Their motive is far more personal than anyone expected.

July 8, 2017

Deuk-cheon's daughter's location is narrowed down. A violent confrontation leaves one of the clones critically injured.

July 9, 2017

Sung-joon sacrifices his safety to protect Deuk-cheon's family. The truth about the clones' purpose is finally revealed.

July 15, 2017

The race to rescue the kidnapped girl reaches its peak. Deuk-cheon and Sung-joon mount a final operation against overwhelming odds.

July 16, 2017

A dramatic showdown between the two clones forces everyone to confront questions of identity, humanity and what it means to have a soul.