Jin Hyuk

Lee Yun-seong was trained by his father's best friend in order to get revenge on the government for killing everyone in his father's unit. (imdb)

Ma Hye Ri is a woman with an excellent memory and ability to focus, which allowed her to pass the bar exam with ease. Despite her talents, she is more interested in being fashionable and dislikes hard work so she is far from being an ideal prosecutor and has doubts about her suitability for her job. Through her conflicts with senior colleages and struggles with difficult cases, however, Hye Ri gradually matures into a brilliant prosecutor with a sense of duty and justice. (mydramalist.com)

A mermaid from the Joseon period ends up in present-day Seoul, where she crosses paths with a swindler who may have ties to someone from her past. (imdb)

After losing her father Go Eun-sung's stepmother kicks her and her autistic brother out of the house. Shortly after her brother is kidnapped. Eun-sung now has to look for her brother while also trying to find a job in order to survive. (imdb)