A kind-hearted nurse working in psychiatry goes above and beyond to be a ray of light for those under her care, despite the challenges coming her way.

"I deliver everything that the post office service does not handle." Eun-ha, who is a normal junkyard employee, secretly works as a delivery clerk that deals with unusual delivery requests.

Can you actually not show what your true colors are while working with a lot of people? Eun Hwan Ki, the director of the top public relations agency, is a mysterious man known as “The Silent Monster.” No one knows much about him because he always avoids eye contact and appears coldly aloof and arrogant, but in truth he’s an extreme introvert — a PR executive who hates attention and is too shy to be around people. Chae Ro Woon begins to work at Eun Hwan Ki’s company. She is very energetic, the extroverted type and receives recognition for her work, but her only interest is in CEO Eun Hwan Ki. She plans to reveal who Eun Hwan-Ki really is.

Marrying a king guarantees a turbulent life. Shin Chae Kyung is the daughter of a powerful politician during the Joseon Dynasty. She falls in love with Crown Prince Lee Yuk, who lives under the tyranny of his half-brother, King Yeon San Gun. When Lee Yuk rises to the throne and becomes King Jung Jong, Chae Kyung becomes Queen Dan Kyung, who becomes caught in the cross-fires of different political factions as well as the jealousies between the brothers. When Dan Kyung’s own father stages a coup against the king, Queen Dan Kyung is dethroned only after seven days and expelled from the palace. What will happen to the love between the king and queen when they can no longer be together?