Plot

When a grim incident occurs at their prestigious school, justice through law is put to a test by a tough law professor and his ambitious students.

Set in Hankuk University Law School, the series tells the story of students and professors in the law school who come across an unusual case. A professor at a prestigious law school and his students get involved in an unprecedented case.

Yang Jong-Hoon (Kim Myung-min) is a former prosecutor. He is now a professor at Hankuk University Law School. He is straightforward and tends to unleash biting remarks. Students don't like him because of this and nicknamed him "Yangcrates", but Yang Jong-Hoon does not care what his students think of him. Yang Jong-Hoon is focused on cultivating personnel for the law field, members who will be able to contribute meaningfully. Professor Kim Eun-Sook (Lee Jung-eun) is his only colleague that he can speak openly with.

Kang Sol (Ryu Hye-young) and Han Joon-Hwi (Kim Bum) are first year law school students. Kang Sol barely got into law school. She comes from a poor family background, being raised by a single mother. At school, she is surrounded by students who are smart and come from wealthy backgrounds. She feels insecure and even shameful due to her background. Kang Sol slowly learns about the true legal profession. Han Joon-Hwi is at the top among first year law school students. He is an attractive young man with leadership qualities, but he has a secret.

One day, a law school professor was found dead at the school and Professor Yang was arrested as a main suspect. They started to work together to reveal the truth behind Professor Seo's death, and prove Professor Yang's innocence.