Lee Heon is the king of Joseon. 7 years ago, when he was a crown prince, his beloved wife died. To this day, he has not been able to get over her death. For the past 7 years, the royal family and government members have tried to get King Lee Heon remarried without success. The nation has also implemented a geumhonryung edict, which is a ban on all single women marrying during this time when the king has not married. People are furious over the marriage ban. One day, King Lee Heon hears of a woman named Ye So Rang, who claims the spirit of the king's late wife exists within the royal palace.

Meanwhile, Ye So Rang is a swindler and claims to interpret martial harmony signs. She is arrested and jailed where Officer Lee Shin Won works. To get out of her predicament, she pretends to be possessed by a spirit in front of Lee Shin Won. During her ruse, she mentions that the spirit of King Lee Heon's late wife exists within the royal palace. She is then brought in front of the king and he asks her if she can really see his late wife's spirit. To survive, Ye So Rang acts like her body is possessed by the king's late wife. Ye So Rang's lies get bigger and more audacious.

Adapted from the webtoon "Joseon's Ban on Marriage" (금혼령-조선혼인금지령) by Choi Ji Hye (천지혜).

In the second month of the ninth year of the reign of Tokugawa Tsunayoshi, a great fire tore through the town of Edo. Starting from Maruyama, it spread to Komagome. The prosperous greengrocer Yaogen was also razed as well. The only daughter of the house of Yaogen, Oshichi, was then sent to stay at the Daijoji (temple) until the shop, which also served as her home, was rebuilt. At the temple, Oshichi fell in love at first sight with the Kichisaburo, who works at the temple. Kichisaburo seems to be the son of a samurai, whose identity is unknown. Having been left at the temple when he was a young boy, Kichisaburo has known no other life than that of working at the temple, but he aspires to be a scholar. Yaogen is rebuilt, and so Kihee sends for his daughter Oshichi. Impressed with one of his employee, Kanzo, Kihee aims to make him his son-in-law and successor to his business. However, when the subject is broached to Oshichi, no matter what, she refuses to say yes. In her heart, there is already Kichisaburo. On his side, Kichisaburo too, has strong feelings for Oshichi, and before long, their secret love marks the start of a tragic love story

Is it just a coincidence, or is it fate?

A man and a woman meet time and time again over the span of 8 years. Han Yoo Kyung is an aspiring photographer who graduated from college in New York. After a painful breakup from her boyfriend, she travels to Seoul. There, she meets Cha Hyun Oh, a man who aspires to be a dancer. He quit his job in Japan and took an impulsive trip to Korea for 4 days. After sharing some time together, they part ways.

But not for long, as Yoo Kyung and Hyun Oh somehow keep encountering each other many times on three different trips and spend 12 nights together. Is there a special meaning behind each time they meet, and will all of this time spent with each other develop into more than an encounter?

When Khemika discovers she has a twin, Kwanta, and that her twin has gone missing, she poses as Kwanta to find out what happened to her. Chanon, Kwanta’s husband, is conflicted by his unfaithful wife’s reappearance. Hurt by her infidelity, he can neither forgive nor forget, but deep down, he still loves her despite his claims otherwise. When Chanon finds himself falling for his wife “again,” will he survive being deceived again? Will Khemika be successful in her quest, and what happens when she starts falling for her brother-in-law?

Ding Ke Mang is a talented and reputable theater actor, while his student Song Yang is a popular celebrity. In order to ensure their tickets sell out, the theater troupe cast Song Yang alongside Ding Ke Mang to act in the play titled ''Father and Son''. Under Ding Ke Mang's guidance, Song Yang learned to overcome his impulsive nature and withstand the temptation of popularity, and gained an understanding and respect toward the art of performing. Finally, with his hard work, his acting skills improved and he became an actor with both popularity and skills.

Naamrin, a bratty and hi-so girl is about to marry her fiance, Popetorn, whom she grew up with because her mother, Thara raised him since he was a little boy after his father had passed away. However, after trying on her wedding dress, Naamrin is challenged to a road race that escalates to a road rage, resulting in the death of both drivers. Yeeo is a police officer that happened to be bicycling pass the scene and hears the call on his police radio. He gets to the scene and watches paramedics pull out Naamrin's road rival, whose car had plunged into the nearby lake. He then meets the spirit, Naamrin, who doesn't know that she's dead. Yeeo picks up a necklace that parted from her during the wreck and tucks it into his pocket. Since then, Naamrin's spirit becomes attached to Yeeo and he is the only one that can see her, apart from Yeeo's blind grandmother who can sense her presence but is unaware that Naamrin is a spirit. Thus, Yeeo and his grandmother are the only humans that can speak to Naamrin. Since her fate brought them together, Naamrin believes that Yeeo is the only one that can help her.

38-year-old Ha No Ra dreamt of becoming a dancer in her high school years, but met her husband Kim Woo Chul when she was 19. After having a child, she focused on taking care of her family and had to give up her dreams. In hopes of becoming a proud wife and mother to her college professor husband and her son Min Soo, she strives to enter college and ends up getting accepted into the same college as her son.

Lok Tin Sung, works as a purchasing manager at a furniture shop. He is married to a gynecologist. The two care for their 6-year-old adopted daughter/niece together and will eventually divorce. Tong Sin Yu is a chocolate shop’s marketing manager who is dating Golden. Due to his desire for freedom, Golden breaks up with Sin Yu. Later Tin Sung and Sin Yu develop feelings for each other, and whether they will get together at the end remains to be seen.