Keum Sae-rok is a South Korean actress started her career appearing in TV commercials and short films before landing minor roles in mainstream films such as, The Silenced (2015), Assassination (2015) and Love, Lies (2016). She first drew attention as one of the daughters in the family drama Marry Me Now. Meanwhile, her subsequent performance as a tough rookie detective in the comedy television series The Fiery Priest (2019) brought her wider recognition where she earned the Best New Actress award at the 2019 SBS Drama Awards.
This romance-drama set in 1980 is set during the Gwangju Uprising which is the backdrop for the blossoming love story between medical student Hwang Hee Tae (Lee Do Hyun) and a nurse named Kim Myung Hee (Go Min Shi).
When the most popular female student, Jeong Soo-ah gets stabbed in her home, her classmate Kim Han-su got framed for her murder. Gi Moo-hyeok, a shrewd lawyer from prestigious Songha law firm, is assigned to defend Kim Han-soo. To avoid a scandal the school administrators went out of their way to keep the murder under wraps. Gi Moo-hyeok tries to persuade Kim Han-soo to take a plea deal and admit to the murder in exchange for a lighter sentence. But Han-soo refuses. Without Kim Han Soo’s cooperation, Moo-hyeok tries to create reasonable doubt during the trial by suggesting that Jeong Soo-ah is an escort and any of her male clients could have attacked her. This enraged Han-soo who had no choice but to put the blame on himself to protect Soo-ah’s reputation. The case crashed which also saw the end of a Moo-hyeok’s career. To regain his reputation as a lawyer, he goes undercover as a substitute teacher named Gi Kang-jae. There he discovered the online and physical bullying the students in the school are perpetrating. Together with the PE teacher, they team up to uncover a secret society of privileged students who control fellow students and even teachers.