There have been many court-related dramas, but there have never been any dramas based on the court itself. There have been many characters who took the roles of judges, prosecutors, and lawyers. However, rarely were their lives at the court depicted in detail. This drama focuses on the true nature of the court and the cutthroat competition among the judges as well as the conflicts, joy, sorrow, desires, and failures that they experience. Lee Jung Joo, also known as Judge Knucklehead, is a young judge who has lost both of her parents and whose older brother is incarcerated for the rape and murder of an underage girl. Sah Eui Hyun is a judge who strives to be fair, wise, and passionate in his field. Do Han Joon is a prosecutor who is also known as the Knucklehead Prosecutor. He is determined to sit his own father in court no matter what it takes.

Noh Ji Wook is a brainiac prosecutor and Eun Bong Hee is a rookie justice department intern, who always seems to find herself in the most unfortunate and embarrassing situations. Bong Hee is falsely accused of murdering her ex-boyfriend, and Ji Wook gets demoted because he risks his career and reputation to save Bong Hee. Things get complicated as their careers, and love lives get entangled, but one thing brings them together- catching the real culprit responsible for a series of murders before they run out of time and get themselves killed. Ji Eun Hyuk used to be a good friend of Ji Wook, and their friendship used to be the strongest ever. During Eun Hyuk's troubled childhood, Ji Wook used to feel like his only family.

We have been living in a country that is generous to small and big of all corruption for a long time. When such tolerance has been rotten to the core, a man proudly shouts out for the fact that when one should be punished when one earns ill-gotten money, and those who regard such wickedness as normal should also be punished. Sung Ryong joins the TQ Group to make more money with his inborn persistence and extraordinary brain but ironically saves the crumbling company, fighting injustice and absurdity.

'Beautiful Mind' is a medical mystery drama about a genius neurosurgeon, Young Oh, who suffers from the inability to feel emotions and a rookie traffic policewoman, Jin Sung, who tries to find the justice. As soon as Young Oh comes back to Korea after finishing his studies abroad, he starts working at Hyunsung Medical Center and on the very first day at the hospital, he gets to meet Jin Sung who came to save a car accident patient. Soon, a series of bizarre deaths occur at the hospital and Young Oh tries to find the secret of it with the help of Jin Sung and along the way, he learns to love and care for people. Will he be able to find the answer of mysterious accidents? Also, will he learn to love and care for people with humanity? Stay tuned to join their journey.