Dae Gil, born with the fate of being the son of King Sukjong but forced to live his life as if he's dead, overcomes a rough start and becomes a card shark shaking up Joseon. King Yeongjo, born the son of a maid, is endlessly kept in check by his half-brother King Gyeongjong and his power. Born to a family of rebels, the cold-blooded genius Lee In Jwa takes King Gyeongjong under his wing and aims to build his own royal court, consisting of the extraordinary genius politician Lee In Jwa, Lady Choi Sukbin, who holds the king's heart in her hands, her son King Yeongjo, and Joseon's best card shark, Dae Gil. At stake are their lives and the sole throne of Joseon. It's time to wage war like a single, enormous gambling round.

A Crown Prince Jung Hyeon is close to the noble scholar Sung Yeol. Unfortunately, their relationship had been cursed by the evil of Gwi, a vampire that quenches his thirst for lust through the consumption of royal ladies' blood. Centuries later, Sung Yeol bumps into a traitor that dresses up as a man and turns her into his very own bookseller. This time, he's out to find the unfinished business of his closest ally against the wrath of Gwi. He is joined by Ho Jin, Soo Hyang, and Yang Sun in his fight. They face heartbreaks, betrayals, and a lot of bloodsheds.

Hong Bin has a harsh and twisted personality under the influence of his oppressive father and memories of his failed first love. Not only that, but those wounds have damaged his psyche so that in a state of extreme anger and agitation, sharp spikes like blades come out of his whole body. Hong Bin, unable to forget his first love, Tae Hee, while tracking her down, ends up meeting Se Dong. Hong Bin feels drawn to Se Dong, who is confident and upbeat even in front of his harsh self.

Eun O, a son born out of wedlock of the former Chancellor Kim, travels around the nation as he is interested in nothing, even women, money, or fame. Since his childhood, Eun O has been able to see and talk to ghosts, and this ability has bothered him so much. Eun O meets A Rang, a clumsy, brazen, yet lovely ghost. A Rang strives hard to find out who she was when she was alive, only to face despair. But she teams up with Eun O, a district magistrate, clears up cases one by one, and gets close to a big shocking truth.

A sense of justice and duty? Having only lived to do what she wants, Hye Ri is spoiled and has no concept about how the world works. Not caring about the suspect's circumstances and wanted to do everything by the book, Hye Ri nearly causes a disaster by carelessly taking the case documents of a celebrity and nearly losing it, which makes everyone sick of her. Realizing this truth later on, Hye Ri becomes determined to become what a prosecutor should be and falls for Prosecutor Yoon Se Joon when he rescues her from danger and tries to win him over.

Dae Gil was the son of a nobleman but loved Eon Nyeon, who was a slave. To rescue Eon Nyeon from a forced marriage, Eon Nyeon's brother, Keun Nom, kills Dae Gil's parents, burns the house down, and runs away with Eon Nyeon. To find Keun Nom and Eon Nyeon, the ones who brought his household to ruins, Dae Gil becomes a famous slave hunter known for being unmerciful, money-hungry, and the best slave chaser in Joseon. Living like the noblemen, Eon Nyeon marries Song Tae Ha, the man who rescued her, but is unable to forget about Dae Gil.