The King of Pigs

Kyung-min leaves a message for Jong-seok at the crime scene. Ji-na relays it, reuniting them after twenty years.

Jong-seok helps Ji-na investigate and discovers Kyung-min used an alias. Meanwhile, Kyung-min seeks revenge on his former abuser, Ahn Jung-hee.

A special task force forms as Jong-seok and Ji-na pursue Kyung-min.

Humiliated by a mysterious man, Ji-na questions Jong-seok, who reveals he was also a bullying victim. A video of Kang-min in captivity arrives for Jong-seok.

Jong-seok and Ji-na discover Kang-min's location. Kyung-min revives his memory with a quiz and questions Kang-min about Cheol.

Ji-na learns about another key figure, Cheol. She probes Jong-seok, but he stays silent, prompting her to search for the truth alone.

Jong-seok rushes to the next target, who offers a heartfelt apology. Ji-na visits Cheol's mother for clues.

Ji-na gets closer to the truth through Cheol's note. Jong-seok discovers Dog Park's identity.

Ji-na heads to Abang-gung to uncover Cheol's past and discovers Kyung-min's notes.

Ji-na uncovers the secret behind Cheol's death, while Kyung-min visits the police.

Jong-seok desperately chases Kyung-min, while Ji-na follows to prevent another death.