In the present day, Jang Bong Hwan works as a chef at the President's Blue House. She has a free spirit, but her spirit somehow finds its way into the body of Queen Kim So Yong in the Joseon period. King Cheol Jong has secrets. He seems like a figurehead, who is gentle and easygoing. In fact, he hides his strong aspects. Queen Sunwon is the late King Sunjo’s wife. She wields the true power in the country and, thus, relegates King Cheol Jong as just a figurehead. Kim Jwa Geun is Queen Sunwon’s younger brother. He is extremely ambitious.

A lawyer uncovers the secrets of a small village while defending her estranged mother in a murder trial.

Mo Seok-hee is an only child and her father runs the large company MC Group. She is beautiful, smart and rich. Mo Seok-hee appears like she is arrogant, but she struggles over her mother’s death. Her mother was killed 15 years ago. Meanwhile, Heo Yoon-do is a lawyer, but he doesn’t even have an office. He solves small problems of neighborhood residents at a restaurant. He is full of love. Miraculously, Heo Yoon-do is headhunted to join the TOP team at MC Group. The TOP team manages the affairs of the family who runs the MC Group. Their job includes covering up immoral or illegal behaviors done by the family.

Sim Deok-soo is a grumpy landlord running a run-down apartment complex. Suddenly his tenants begin disappearing under suspicious circumstances. A retired ex-detective shows up, claiming a serial murderer from 30 years back has returned.

The story of a man who fights against greed, and experiences every hardship and adversity known to man in order to make something of himself and find love.

The fictional story begins after the execution of real-life North Korean general Jang Sung-taek. One day an order comes down from North Korea, reactivating erstwhile spy Park Hye-rim who has spent decades in South Korea as an ordinary housewife. She is given the mission to turn and bring in her own son, Kim Seonu. Cool-headed, quick-witted genius Seonu is an information analyst on North Korea working for the NIS. His girlfriend Yoon-jin is a tour guide for Chinese tourists who cannot speak Chinese, and they fell in love when Seonu helped her translate. Hye-rim is suddenly forced to choose between her son and country, and risks her life to see the choice through.