Jang Hee-joon's father, a prominent attorney, chooses Ji-wook as the prosecutor in his son's murder case. Ji-wook's career is at risk if he can't get a conviction.
The prime murder suspect Jung Hyun-su is adamant about having Bong-hee represent him. On the other hand, Cha Yoo-jung, Ji-wook's ex-girlfriend, is the prosecutor on the case.
A heartbroken Bong-hee resolves to reset her feelings. Although Ji-wook searches for the defendant's alibi, he is still suspicious about his intentions and questions his innocence.
Ji-wook and Bong-hee visit her old neighbourhood to verify a lead and make a shocking discovery. Bong-hee tells Ji-wook that she has an answer to his proposal.
Bong-hee gets a call from a friend in danger. Ji-wook tells the team to halt the investigation of the recent murders, but one member continues to probe.
Ji-wook's nightmare turns true when he rechecks the details of the night of his parent's death. Ji-wook and Bong-hee help out Eun-hyuk with the arson case.
Bong-hee comes across an intruder when she is working alone in the office. Ji-wook gets injured while saving her and gets back his memories from the day of his parent's death.
Ji-wook's team tries to find more evidence against Jung Hyun-su by digging into his past. He decides to find the link between him and chief prosecutor Jang.
Bong-hee and Ji-wook attend Jung Hyun-su's final trial. Eun-hyuk has an honest conversation with Yoo-jung about the past and his feelings. Ji-wook reaffirms his feelings to Bong-hee.