In the drama, Park Hyo Joo will be playing the role of Lee Ji Eun, who will be going to be Shin Min Ah's role, Kang Sun young's senior adviser.

"Chief of Staff" is a story of Jang Tae Joon, who graduated from the Korean National Police University and worked as a detective. He will then become a lawmaker, to gain more power and to reach his high ambition. While Kang Sun Young who is a first-year lawmaker, and is as ambitious as Jang Tae Joon. In fact, the two characters were actually secretly dating. Season 2 is expected to show more about the stories of lawmakers and politicians, as well as how the government works. The audience and fans of the show were also expected to dive deeper into the story plot.

Meanwhile, Park Hyo Joo will be playing a significant role in the legal drama. Park will be portraying the role of an assistant with a 10-year career. She will then work with Shin Min Ah's character, Kang Sun Young alongside her team. She is a woman with an ability to work in all areas such as elections, law, personnel, and accounting, the ability to be recognized internally and externally, and has a straightforward personality to her council members as well as a nagging personality.

On the other hand, Park Hyo Joo had her acting debut through the movie, "A Day" in 2001. Though she played a small role, her acting career boosted and she was able to appear on various movies and dramas such as, "Chosun Police Season 1", "Secret Agent Miss Oh", "The Guest", "Quiz from God: Reboot", "The Wind blows" and for movies, she was included in "Punch", "The Flu", "Tazza: The Hidden Card", "No Tomorrow", "Blue Busking", and "The Pension".

Although she played the less main lead role, she was indeed labeled as a scene-stealer for the impact of her acting skills, which is stable and unique. This time, she will be showing her strong acting through the drama.

"Chief of Staff Season 2" will be having its release this November 11, and fans were already anticipating to see Park Hyo Joo.