Han Jeong-su

After dropping out of high school, Tae-sik sweeps out bullies on the street with his bare hands. Whenever he drinks alcohol, he becomes doglike and he is called "mad dog" because of not being afraid of a knife or blood. He is paroled, but Min-seok -- who Tae-sik harasses -- has become a detective... (seoulselection.com)

Nerdy Yeong-soo has married the perfect housewife Hee-joo. But at the reunion for his university class, the allure of winning a kimchi-fridge makes her dance a super-sexy show. Yeong-soo wonders if her past isn't as pristine as he thought.

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 Ra leads the perfect life. She is a popular actress, has an ideal husband Jung Han, who is the most popular announcer, and a son Min Kyu. People adore them as a couple, but their life isn't as great as it appears. A Ra struggles to get cast as an actress as she gets older. Jung Han and A Ra do not respect each other or love each other... (mydramalist)

Dae-gil is the leader of a group of slave hunters that are hired to find a runaway slave named Tae-ha, who was once a great warrior. (imdb)

Lee Eun Oh, a noble's son, arrives at a small village in search of his missing mother. There, Arang, the ghost of a young woman that lost her memories of her past life, asks him to help her to figure out her identity and how she died. (imdb)