Sang Pil is acquitted of murder at Mayor An’s shocking testimony. Sang Pil is released with all charges dismissed and regroups with the Lawless Law Firm to carry on with his revenge. Meanwhile, Judge Cha’s acceptance of chief justice causes Nam Soon Ja, Judge Cha’s personal secretary, to worry about her daughter’s future. Judge Cha faces the onslaught of the media when an anonymously sent picture with her surfaces; possibly putting her in connection with the disappearance of Han Cheol Kyu, the union president of the Golden City Project.

After sustaining an attack from a defendant’s father, whose son was sentenced to death, Judge Cha slips out of the media’s suspicions regarding the photo. Meanwhile, Bong Sang Pil finds out the true identity of Mama and does not share it with Jae I. Bong Sang Pil finds crucial evidence linking Mayor An to the Choi Dae Woong murder case and uses it put Mayor An in quite the predicament.

Bong Sang Pil now knows who had sent him the notebook and who is playing what hand. He uses this knowledge and devises a plan to ruin Judge Cha’s escape and save Jae I’s mother from murder. Overnight, Mayor An becomes the main suspect in Choi Dae Woong’s murder case due to Gwan Dong’s recorded message and looks to team up with Jae I to bury the past. Meanwhile, Jae I is still upset with Bong Sang Pil for not telling her about her mother and unforgivingly pursues her mother’s whereabouts without him.

Thanks to Sang Pil’s efforts, Jae I and her father are reunited with her mother after 18 years. Sang Pil’s final plan to bring down Chan Sook goes into effect. Soon Ja is arrested and facing trial when she realizes that Chan Sook has cut her loose. She gets a tempting offer from Sang Pil. Meanwhile, Oh Ju, who is on the run, faces off with Sang Pil after abducting Jae I.

An Oh Ju, who is still being chased by the police, kidnaps Jae I to draw Sang Pil to him. Sang Pil rushes to Jae I and confronts An Oh Ju with vengeance but not without a plan to win him over for his end game. Things heat up in the trial for the murder of the Thai accupressurist as Judge Cha sits as the presiding judge. The defendant, Nam Soon Ja, looks to Sang Pil and Jae I to show their skills as lawyers to bail her out of her predicament, but ultimately, it is her testimony that will determine her fate.

In the trial against Nam Soon Ja, Bong Sang Pil and Ha Jae I work together to finalize their revenge where the unthinkable takes place. New witnesses and evidence emerge as Judge Cha squirms to get free of any accusations thrown by the “lawless” couple. Judge Cha does all she can to remove those who can testify against her in and out of the courtroom—including Nam Soon Ja. But is that enough? At the turning point of the trial, Nam Soon Ja agonizes over choosing the right side that will determine her fate and the fate of her daughter.