Dan-Bi is a senior high school student. She has a special ability which allows her to transport to anywhere on rainy days. For her university entrance exam, Dan-Bi can't deal with the pressure and runs off to a playground. Without knowing why, she goes into a puddle and finds herself transported to the Joseon period. There, she meets Lee Do. He is a young King of the Joseon period. Lee Do is in a difficult situation due to droughts and the spread of an epidemic.

This drama is about various contestants who take part in a game show with a prize of 10 billion won wherein contestants are encouraged to cheat and lie. The contestants who able to cheat the others will wins the prize but but be in debt if he/she loses the game. Contestants include genius swindler Cha Woo-jin and naive college student Nam Da-jung. Meanwhile, Kang Do-young will play the MC and planner of this game show.

Ko Sang-Sik is in his 40's and still single. He works as the environmental facility section chief at city hall. Ko Sang-Sik becomes involved with Kang Min-Joo. She is also in her 40's and still single. She works as a PD at a broadcasting station.

Shiratori Sakuto is 28, but has the intelligence of a 6-year-old boy. He works for Dream Flower Service, a flower distribution centre which provides employment for problem youth. One day, he and a colleague, Yanagawa Ryuichi, delivers a rose bouquet to the apartment building where Mochizuki Haruka lives. Because Haruka does not know that the deliveryman is mentally challenged, she is shocked by his response and tries to call the police. Haruka works for a brain physiology research centre where Professor Hachisuka Daigo has been studying the improvement of mental performance. He has succeeded in lab experiments on a white mouse called Algernon. Sakuto is transformed into a genius through surgery. But Algernon's new intelligence begins to fade, and he dies. Sakuto realises that his genius, too, is destined to leave him.

Ye Jiayao finds herself back in time in the body of Ye Jinxuan. After many twists, she thought that she would finally be able to lead a simple life and achieve her dream of opening the best restaurant in Huai Song. However, there are villains constantly trying to bring her down.

Due to an unplanned pregnancy, Ha No Ra married young and dropped out of school. But after two decades as a housewife, she finally gets the chance to experience college, alongside her 20-year-old son Kim Min Soo and his girlfriend Oh Hye Mi. Further complicating things, No Ra already has a strained student-teacher relationship, as her husband Kim Woo Chul and her first love Cha Hyun Suk wind up being her professors.

The memory of their painful breakup still fresh in their minds, two former lovers reunite years later as a top actor and a documentary producer.

A partying chaebol has a one-night stand with a beautiful girl. When she joins his company years later, it is difficult to hide their secret romance.

An eccentric, triple board-certified virtuoso surgeon leaves a top job in Seoul and ends up at a provincial hospital, where he mentors young doctors.

With different personalities, life goals and taste in men, five female college students become housemates in a shared residence called Belle Epoque.

Nam Se-Hee is a single man in his early 30s. He has chosen to not marry. He owns his home, but he owes a lot on his mortgage. Yoon Ji-Ho is a single woman in her early 30s. She does not own a home and envies those that do. She has given up on dating due to her financial struggles. Yoon Ji-Ho begins to live at Nam Se-Hee’s house. They become housemates.

Dumped by her boyfriend of 15 years for gaining weight, a lawyer gets help from a hotshot personal trainer to get in shape and turn her life around.

Ruby is living a humdrum existence when one day she gets a text inviting her to fulfill a youthful pact, promising true love and self-reinvention, by stepping out of her life to take a journey with her oldest flame.

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.

An ignorant but strong-willed man and an upper-class woman who struggles through life, work to fall in love.

Based on the true story of Grace Marks, a housemaid and immigrant from Ireland who was imprisoned in 1843, perhaps wrongly, for the murder of her employer Thomas Kinnear. Grace claims to have no memory of the murder yet the facts are irrefutable. A decade after, Dr. Simon Jordan tries to help Grace recall her past.

Born with supernatural strength, Bong-soon fights evil and procures justice while getting tangled in a love triangle with her CEO boss and cop crush.

A woman attempting to reboot her life returns to Korea and becomes entangled with her childhood friend — with whom she shares a complicated history.

An elite group of young warriors trained in morals and martial arts finds love and friendship in Silla during Korea’s ancient Three Kingdoms period.

Teenage Julie finds her passion for music and life while helping the Phantoms -- a trio of ghostly guys -- become the band they were never able to be.