16-year-old Ji-ah is a typical adolescent girl. She aspires to be a ballerina and experiences her first flutters of love and the related pains that come with it as she falls in love for a temporary teacher. She is overjoyed when her mother Suk-hyeon, an erotic novelist, secures a large contract for a serialized online novel, as it means she would finally be able to afford ballet classes. But her hopes are crushed when, not long after, her mom suffers a freak accident and slips into a coma. Ji-ah then gets a call from the editor who misidentifies her as her mother and demands that this week’s text be submitted by midnight. In order to get her mother out of a bind, she decides to use what little she knows in matters of sex to complete the task in her mother’s stead. Much to her surprise, her style seems to resonate with readers.

On a live music radio show, a letter arrives from the 23 years in the past. Through the letter, the first love and friendships of five friends are revealed.

A boy who can see ghosts moves to a small town, where he befriends a female ghost. The two work together to investigate a masked ghost who is murdering students one by one.

The story takes place in occupied Korea at the start of the 20th century, where a young student in medicine discovers the murdered body of the son of a government official. Being scared of being accused, he decides to hire Hong Jin-ho (a detective) to help him find the murderer before the police accuse him of the murder.

Yong-soo is an ex-soccer player who lives in a small coal-mine village in North Korea with his wife and young son, Joon. Although living in extreme poverty like many other families in North Korea, the family is happy just to be with each other. Then one day, Yong-soo's pregnant wife becomes critically ill. Let alone medicine, Yong-soo can't even find food for her in North Korea. So he decides to secretly cross the border to China hoping to find the medicine for his wife.

A pawnbroker is found murdered in a remote town in a derelict building. Three people come under suspicion but all of them have perfect alibis and the investigation comes to a standstill. Almost fifteen years pass and the lead inspector decides to re-investigate.

Fifteen-year-old Myung-hee and her nine-year-old brother Myung-ho are of Korean-Chinese descent. Their mother left for Yeonbyeon three months ago, promising to return with their father, and they have heard no news from her since. Every day, Myung-hee and Myung-ho go to the shipping port or airport hoping for their parents' return. Tired from waiting one day, Myung-hee meets Yong-kyu, a young man high from sniffing glue. Beyond a tough and violent exterior, Myung-hee finds a young man's heartwarming inner-self, and she expects Yong-kyu to take the place of her parents. But even Yong-kyu leaves her and life steadily deteriorates. Hoping for help, Myung-hee goes to a familiar Korean-Chinese woman, arriving in time to find immigration officials taking the woman away. They are now truly alone.

Refusing to allow fate to decide whom she must marry, Princess Songhwa decides to find her own husband. She seeks the help of a man to interpret her marital harmony with four men she wishes to marry.

Thomas stumbles upon an old diary in an antique district. As he begins to read the haunting tale of love and loss, Thomas realizes the diary carries a terrifying curse. Written many years ago by Jeong Hoon, an aspiring author, anyone merely exposed to the diary becomes a cunning facilitator of the curse.