Young-ho doesn't have any dreams for his life. He has been studying for three years to enter a university. He decides to send a letter to his childhood friend So-yeon. But her younger sister So-hee receives the letter instead of her sick sister. So-hee writes back to Young-ho, pretending to be So-yeon. Meanwhile, So-hee takes care of her sick sister and also runs a secondhand bookstore with her mother.

A couple's hospital tryst is caught on X-Ray. Thinking she and her boyfriend are the ones in the compromising radiograph, nurse Yoon-young goes in the next day to resign only to find that everyone has called in sick except the head doctor.

A girl baseball player who is about to graduate from high school will try to enter the professional baseball world forbidden to women.

A gang of clowns is hired by an unpopular king to serve as propagandists who fabricate positive rumors and stage miracles to improve his personal image.

After being blinded in a coup against the king, Joseon's greatest swordsman goes into hiding, far removed from his city's anguish. But when traffickers kidnap his daughter, he has no choice but to unsheathe his sword once more.

Four different couples have a romantic week over New Year's Eve. Both coming out of failed marriages, Ji-ho and Hyo-young are not open to the possibility of new love, while Jin-ah heads to the other side of globe and encounters Jae-hun.

A general hospital in Gyeongsang-do in 1990. Woo-sik and Jae-gu are working at the hospital as a receptionist. One day, an AIDS patient enters the hospital. Woo-sik and Jae-gu are instructed to bring the bankbook and the young daughter, Tae-bun, from the home of the AIDS patient who did not pay for the hospital. They head to Tae-bun´s house in fear of getting AIDS.

Ean has a critical mission to return to the future to save everyone. However, she becomes trapped in the distant past while trying to prevent the escape of alien prisoners who are locked up in the bodies of humans. Meanwhile, Muruk, who helps Ean escape various predicaments, is unnerved when he begins sensing the presence of a strange being in his body. Traveling through the centuries, they are trying to prevent the explosion of the haava.

Gurus in the late Goryeo dynasty try to obtain a fabled, holy sword, and humans in 2022 hunt down an alien prisoner that is locked in a human's body. The two parties cross paths when a time-traveling portal opens up.

Junghee goes to a housewarming party thrown by Soyeon, her friend from high school. While waiting for another friend to arrive, Junghee discusses her script with Soyeon and her husband. Soon, they begin to engage in a war of words.