Lee Byung-Min's wife and unborn son's lives hang in the balance. Lee Byung-Min attempts a negotiation, which goes awry after Se-Na's interference. A deadly threat comes to fruition. Oh-Taek and Lee Byung-Min engage in a final confrontation.

Lee Byung-Min reenacts a blackmail scheme similar to the one that fooled Oh-Taek four years ago. Oh-Taek's plans for revenge go awry when detectives show up. Byung-Min plans to attack Se-Na, but Oh-Taek gives Byung-Min a taste of his own medicine.

After discovering Geum Hyeok-soo's real identity of Lee Byung-Min, Oh-Taek plots revenge. Oh-Taek's son Seung-Hyun has a big announcement to make. Byung-Min makes a final confession that changes the game completely.

Oh-Taek vows to avenge his family. He travels to China to find out who Hyeok-soo really is, using some of the same tactics he learned from Hyeok-soo himself. After connecting with Hyuk-soo's first love, Yoon Se-Na, the pieces come together.

Hwang Soon-Kyu comes face to face with her son's killer. Geum Hyeok-soo and Oh-Taek finally part ways, but not before Hyeok-soo reveals what's inside his suitcase. The deadly cat and mouse game comes to a shocking conclusion.

Oh-Taek receives an ominous phone call. Determined to get to Mukpo, Geum Hyeok-soo once again forces Oh-Taek to play his deadly game. Oh-Taek and Hwang Soon-Kyu finally join forces.

Oh-Taek is forced to act as Geum Hyeok-soo's accomplice in his killing spree. Detectives delve deeper into a string of murders. Hwang Soon-Kyu crosses paths with Hyeok-soo and Oh-Taek.

Hwang Soon-Kyu tracks down Geum Hyeok-soo and Oh-Taek, following their route to Mukpo. Hyeok-soo reveals the lengths he'll go to secure Oh-Taek's cooperation in the journey. Oh-Taek's attempts to signal a highway patrol car end in disaster.

The journey to Mukpo continues. Geum Hyeok-soo's shocking confession terrifies Oh-Taek. Hwang Soon-Kyu presents a key piece of evidence to police, but it's dismissed. Taking matters into her own hands, she decides to go after Hyeok-soo herself.

Taxi driver Oh-Taek is experiencing a run of good luck, when charming stranger Geum Hyeok-soo flags down his taxi with a lucrative offer. Soon Hyeok-soo's true nature is revealed. Grieving mother Hwang Soon-Kyu searches for her son's killer.