Bong Sang Pil is known as the gangster lawyer. He is known to fight with his fist and the law. After hearing news that Cha Moon Sook was appointed as judge for the retrial of the murder of the mayor of Giseong, Lee Young Soo, Sang Pil decides to return to his hometown for the first time in 18 years. Meanwhile, Ha Jae I punches a judge for a wrongful verdict. She ends up getting suspended and returns home after getting fired from her law firm.

After returning to Kiseong, Sang Pil takes over the office that his mother, a civil rights lawyer, used to use. He keeps busy trying to get the chance to defend Hyung Man for the murder of Kiseong's Mayor, Lee Young Soo. Jae I begins to wonder why Sang Pil is so determined to work on this case. She begins to look into it to find out. The day of the hearing is finally here, and Jae I faces danger on her way to the courthouse. Will Sang Pil go to rescue her?

After saving Jae I, Sang Pil and Jae I arrive at the courthouse. Sang Pil reveals a shocking truth that changes the conditions of the trial. However, Sang Pil ends up getting arrested for disrupting the trial. While Sang Pil is in prison, Jae I begins to look into the truth behind Mayor Lee Young Soo's murder case. Jae I begins to see Sang Pil in a different light. Meanwhile, Sang Pil agonizes over how to tell Jae I the truth about her mother.

Sang Pil devises a plan to ruin An Oh Ju's chances of becoming mayor. Jae I begins to get suspicious of Sang Pil as he seems to be going overboard. She wonders why he seems to be targeting Moon Sook and Oh Ju for no reason. She goes to visit Hyung Man in prison and finds out a shocking truth. Meanwhile, Moon Sook attends an event for the unveiling of her father's statue at Kiseong District Court.

Sang Pil and Moon Sook face each other after revealing who they are. Sang Pil tells Moon Sook that he will see this case through. However, Moon Sook is not affected by his declaration. Jae I sees the two of them talking and is shocked to hear the truth. She has a hard time believing what she saw and starts to look into Moon Sook on her own. Sang Pil feels bad about Jae I and keeps an eye on her. Jae I finally finds out the truth about what happened 18 years, but it ends up causing her more trouble.