Government tax lawyer Hye Sung meets Su Ha, who has the ability to read people's thoughts.

A potato researcher with 12 years of experience who is working on a secret project and a newly appointed eccentric director go head to head before falling for each other in a sweet office romance.

Time manipulation comes with a steep price for a young woman, who becomes 78 years old overnight after using a mysterious watch.

The drama tells the story of average workers, who silently work hard on each one’s own task. They finally pull together as a team to fight through a difficult and unfair situation. Lee Soo-In has the kind of temperament where he has to do the right thing no matter what. After his discharge from the military, he finds work at a large retail market. One day, his boss orders him to fire temporary employees at the store. Lee Soo-In refuses to do so and decides to join the labor union. He and the temporary employees struggle against unfair dismissals. The drama is based on a webtoon of the same name, which is in turn inspired by real-life events that transpired in 2002 when union workers were unfairly fired from large supermarket chain Carrefour, and fought back.

Nam Se-Hee is a single man in his early 30s. He has chosen to not marry. He owns his home, but he owes a lot on his mortgage. Yoon Ji-Ho is a single woman in her early 30s. She does not own a home and envies those that do. She has given up on dating due to her financial struggles. Yoon Ji-Ho begins to live at Nam Se-Hee’s house. They become housemates.

A spirited queen tries to rein in her rowdy sons in order to make one of them the next king of Joseon, while her competitors vie to snatch the throne.