Set during the Joseon Dynasty period, the series follows three people from different walks of life who came together to help Prince Lee Geum claim the throne and reform the Saheonbu.
Poong Sang is a lonely, pitiful middle-aged man, who has never lived his life for himself. Up until now, he took care of his four younger siblings and supported them financially. Will he ever get to find happiness for himself?
When Kang Bok-Soo was a high school student, he was falsely accused of committing violence and kicked out of school. This was caused by his first love Son Soo-Jung and a male student Oh Se-Ho. Kang Bok-Soo is a now an adult, but his life has not gone smoothly. To get revenge on Son Soo-Jung and Oh Se-Ho, he returns to the same high school as a student. The environment at the school has changed and Kang Bok-Soo gets involved in unexpected cases.
Woo Tae Suk is an experienced and well-established detective with a long professional career, but in spite of everything he is a lonely and bitter human being. It all has to do with him only focusing on solving cases, while his actions are completely controversial because it crosses the line between good and evil. Woo Tae Suk crosses paths with a psychopath, but he cannot arrest her because of lack of evidence. The woman eventually decides to help Woo Tae Suk solve other cases.
Even though Goo Hae-Ra is smart and beautiful, she is in miserable situation because of her family. Her older sister attempted suicide and her father passed away. The only way she can escape her situation is with money. She approaches Tae In-Joon. He is the second son of a shoe company owner. Tae In-Joon falls in love with Goo Hae-Ra.
Gil Oh-so, an employee at a cleaning company, meets Jang Seon-gyul, the boss of the company. The two are diametric opposite when it comes to cleanliness. With the help of Oh-sol, Seon-gyul faces his mysophobia and falls in love with her.
Seo Ji Young is an anchorwoman and talk show host who is also fiercely devoted to her children. Meanwhile, Kim Jae Wook is the heir to a large architecture firm who is willing to lay everything on the line and stand up against his family in order to protect his children.
In an alternate-reality South Korea, where a constitutional monarchical system prevails, Oh Sunny, a musical actress, becomes the empress of the country. Thus begins a dispute for power in the royal palace. Nothing is what it seems, and Oh Sunny is ready to fight until the end to uncover a mysterious homicide within the royal palace, fighting to protect those she loves the most and obtain happiness.
Cha Woo Kyung is a child counselor who works at a children’s center. Her life seems perfect since he is married to a great husband and is pregnant. However, her perfect life doesn't last long, when an accident changes her life. She then meets Kang Ji Hun, a detective who is hurt for hiding his troubling past but is strict toward criminals and believes they should be punished to the full extent.
Im Chi-Woo never wanted to become a good daughter, a good daughter-in-law or a good wife, but she sacrifices herself to take care of her family. She is married to immature Park Wan-Seung and she works several part-time jobs to support her family. Under her difficult situation, she keeps smiling and maintaining her positive attitude.
Choi Jin-Yoo is a divorcee and he has a daughter. He works hard and tries live positively for his daughter. He encounters a nightmare like scenario.
The show follows the hectic lives, romantic relationships, and love for food of three siblings, Han San Hae, Han Jin Mi, and Han Jung Shik, supposed modern-day decedents of the legendary Dae Jang Geum.
Yoo Ji-Cheol used to be a top boxer, but he lost everything in a moment. All of his money and fame vanished and his life was ruined. He decides to gain control of his life through mixed martial arts.
At Incheon International Airport, brilliant but distant engineer Lee Soo-yeon and clumsy, idealistic rookie Han Yeo-reum cross paths as they navigate tough challenges, personal secrets, and unexpected connections in their new jobs.
The love story between a top actress and an airline director who each suffers an unusual phenomenon. He suffers from prosopagnosia, while every month she transforms into someone else for a week.