Season 1

Jin Woo's flawless memory is a sharp contrast to his father's failing memory. Jin Woo uses his memory to solve a crime his father is wrongly accused of. Lawyer Park makes a deal with the prosecutor to save his client.

Seo Jae Hyuk's case goes to court. His lawyer is incompetent and does not believe he is innocent. Attorney Park goes above and beyond to get his client released.

Attorney Park learns that his case is connected to Jin Woo's father's case. Attorney Park gets under Nam Gyu Man's skin.

We learn the truth about the night Oh Jung Ah was murdered. Chairman Nam Il Ho’s reach is far and his influence is great.

Jin Woo has taken on Song Jae Ik as an apprentice. Nam Gyu Man is upset when the Vice President is given credit for the company's growth.

Lee In Ah tries to reconnect with Jin Woo after seeing him in court. Nam Gyu Man finds out that Jin Woo is preparing to appeal his father's conviction.

Jin Woo gets something more valuable than a fee from the Vice President. He finds a witness who can back up his father's alibi, but then falls into Gyu Man's trap.

Now Jin Woo must clear his own name before he can help his father. Attorney Park wants to help Jin Woo.

A video surfaces that opens up Seo Jae Hyuk's case for retrial, but clearing his name will not be easy.

Disgusted by the corruption, In Ah leaves her job as a prosecutor. The retrial continues, but it might be too late for Seo Jae Hyuk.

Jin Woo refuses to back down and begins to exact his revenge. Detective Gwak digs his own grave.

Attorney Park starts to dig into Ilho Group's shady past. Allegiances are evaluated and changed.

Gwak gives Jin Woo a gift. Nam Yeo Gyeong puts together some puzzle pieces. Jin Woo uses the Smile Bulb trial to expose Ilho Group.

In Ah finds out the secret that Jin Woo has been keeping. Jin Woo confronts Attorney Park about the car accident.

Nam Gyu Man admits the truth to his sister. Prosecutor Tak may not be as trustworthy as Jin Woo and In Ah think, but they find other allies.

It looks like Nam Gyu Man's world is starting to fall apart, but his father pulls some more strings. Jin Woo finally gets to see Nam Gyu Man stand trial.

Sang Ho begs Jin Woo to take on Attorney Park's case. Judge Kang makes a move that surprises Jin Woo and In Ah.

Jin Woo goes after the real criminal in order to get Attorney Park acquitted and files another request for a retrial for his father's case.

Jin Woo and his friends work to solidify their case for the retrial. Nam Gyu Man and Attorney Hong work on a plan to keep Nam Gyu Man out of jail.

Preparations are underway for the final session of Nam Gyu Man's trial.