The ambitious success stories of 6 people surrounding Prince Lee Bang Won, and the ideological and political conflict between Prince Lee Bang Won and Jung Do Jeon, the man instrumental in helping King Taejo establish the fledgling Joseon nation.

Three siblings, exhausted by the monotony of day-to-day adulthood, seek to find fulfillment and freedom from their unremarkable lives.

The story takes place in Seoul, 2011. Lee Yoon-sung is a talented MIT-graduate who's working on the international communications team at the Blue House. He encounters dangerous situations while solving a variety of cases, both big and small, for people who need his help, and eventually becomes a "city hunter."

A young Joseon woman who's lived her whole life as a man ends up as a eunuch in the royal palace, where she begins to bond with the crown prince.

Jang Guk is a country bumpkin who just transferred into a school in Seoul. She falls for Yoo Jun Su, the most popular boy in school. As her crush on him grows, they spent the night together which leads to her pregnancy. Their two families are thrown into chaos and Jang Guk suffers a miscarriage due to an accident. Jang Guk’s mother sends her away to the U.S., hoping that her daughter would be able to lead a new life. They meet again 12 years later, but Jun Su does not recognise Jang Guk.

As a killing resembling a cold case resurfaces in a small town, the chase for the truth falls on two policemen who each harbor secrets of their own.

A CODA (child of deaf adult) student born with a gift for music crash lands at an unfamiliar place after time traveling through a suspicious music shop. There, he forms the band Watermelon Sugar with other mysterious youths.