Because of his incomplete family, Gu Ren Qi has a closed up personality and mysophobia. Shuang Jiao used to have a happy family, but later lost her mother in a car accident, and became a slovenly person. The two became acquainted when Shuang Jiao becomes an employee in Gu Ren Qi's cleaning company. The two became closer as they get to know each other. Under each other's influence, they began to heal from their wounds.

Yang Yi Shan, a boy who grew up in Shanghai, escaped from his aunt in pursuit of freedom and went to school in the northeast far away from Shanghai. For a while, it was difficult to adapt to life in the northeast, with the help of warm northeast girl, Zhao Dou Dou and her friends, he finally got adjusted to the strange place.

The person who cheated left for someone else and came back out of guilt. They did everything to try and fix it, but they realize the other person just wanted to take revenge for the past.

This drama is about the conflicts, the wins, and losses one experiences when working. It will follow the story of 21st century women, who chose to not be a wife or a mother and successfully work without discrimination or impediments.

Bae Ta Mi works as a director for a big web portal company. She is in her late 30's and is quite competitive. With her competitiveness, Ta Mi enjoys success. The methods she uses to win has her wondering if she is doing the right thing with her life. Has she sacrificed too much of her personal life for success?

Park Mo Gun is a man in his 20's and is a gifted composer. He creates music for video games. Mo Gun meets TaMi at an arcade. He falls in love with her due to her competitive spirit.

Zenigata Koichi is not the bungling inspector who is always given the slip by the elusive great thief, Lupin Sansei. He is a stubborn, but righteous and compassionate detective who will never forgive bad people.

Seong Ri and Kyeong Bin are twins born via artificial insemination, later separated at birth. Both twins are unaware of each other until Seung Ri's mother abandons her one day and forces her to go to her real father. Seung Ri misses her mother and has difficulty in adjusting to her new family, including her twin brother and 3 sisters. Her friend's brother Soo Cheol befriends her eldest half sister who is able to hear but unable to speak due to an accident during childhood.

Seo Gong Myung is the efficient and hard-nosed elite civil servant, who can multi-task with ease and is dubbed the ‘Number One Handsome Man’ on the District People's Committee. However, he is a cold, rigid, and independent person, who is deemed prickly and unapproachable at the best of times. Seo Gong Myung is guided by his moral convictions, which he staunchly adheres to, opting to do everything ‘by the book’. His lack of flexibility and his penchant for criticizing all those who enter his domain, not only serve to earn him the nickname ‘Great Lucifer’, but more enemies than friends.

Goo Se Ra is a lower-class woman with little education or money, but can still talk a good game and punch well above her own weight. Known as the ‘Queen of Civil Complaints’, she’s a force to be reckoned with! She’s held many positions in the past, none of which have materialized into a stable source of income, Small wonder the opening on the District People's Council, with an annual salary of 50 million won for a mere 90 working days, could be just the ticket she needs to better her circumstances.

The sparks start flying as the newly-demoted Seo Gong Myung and newbie Council member Goo Se Ra join forces to penalize corrupt politicians.