The slang lawyer is starred by Lee Jong Suk and Lin Yun A, and Piao Chang-hao, played by Lee Jong Suk, is a third-rate lawyer, who can never win a lawsuit. He was involved in the conspiracy of the upper class, was framed and imprisoned, and then grew up in prison and blackened.
Gao Mei, played by Lin Yunyi, is Lee Jong Suk's wife. She is a nurse by profession.
In Slang Lawyer, Piao Chang-hao (Lee Jong Suk), a third-rate lawyer, is inexplicably involved in a murder case he is in charge of. Overnight, he was branded as an unparalleled liar. In order to survive and protect his family, he is determined to investigate this conspiracy and expose the true face of the privileged class.
Slang lawyer is an anti-traditional heroic routine. Piao Chang-hao, the hero, is no longer a messenger of justice walking alone in a dark alley. After blackening, he became a prison tycoon, using anti-hero means to control evil with evil, revealing secrets step by step and finding a way out. He walks in the gray area of good and evil, and will never stop until he reaches his goal. He is full of dark colors.