A group of researchers help people to find answers to various historical questions they have, usually centering around a family heirloom, an old house or other historic object or structure. It devotes itself "to exploring the complexities of historical mysteries, searching out the facts, myths and conundrums that connect local folklore, family legends and interesting objects."
Kim Min Gyu has wealth and success, but lives an isolated life due to his allergy of people. He then meets and falls in love with a girl who is pretending to be a robot for her ex-boyfriend, a genius robots professor.
Nam Shin is a son from a family who runs a large company. After an unexpected accident, he falls into a coma. His mother Oh Ro-Ra is an authority on brain science and artificial intelligence. She creates an android named Nam Shin III which looks like just like her son Nam Shin. The android pretends to be Nam Shin and he has a bodyguard So-Bong.
When she suffers from frequent bullying because of her looks, Kang Mi-rae decides to get plastic surgery. However, this leads to more persecution and she tries to rebuild her morale.
High school may be tough, but Woo Hyun has a guardian angel looking over him — literally. Disguised as a naive high schooler, Lee Seul Bi descends from the heavens to protect Woo Hyun's life, but discovers she's got a thing or two to learn about life as a teenager, including the pains of falling in love. Can this cherubic guardian protect the apple of her eye and also manage to survive high school?
After a chance encounter in LA, two teens from different social backgrounds reunite at an exclusive high school attended by Korea's über rich.
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.
Lee Young-Joon's family runs a large company and he works as the vice-president of the company. He is smart, rich and handsome, but he is arrogant. His secretary is Kim Mi-So. She has worked for him for years and she is perfect for him, but Kim Mi-So decides to quit her job.
After a complete reversal of fortune and looks, childhood sweethearts reunite for the first time in 15 years as employees at a fashion magazine.
A romance takes place between Kang Ji-Sung aka Louie and Ko Bok-Sil. Louie is from a rich family, but he has lost his memory. Ko Bok-Sil is a woman with a heart like an angel. Louie learns about true love after meeting Ko Bok-Sil.
Three friends from troubled families form a unique, lasting bond — but their pasts soon cast a cloud over their lives.
The romance between Lee Kang hoon, the CEO of the world's largest company, and Cha Yoon seo, an attractive, innocent and lovely looking veterinarian. One day, Kang hoon is kidnapped and dramatically escapes from the bad guys, but his profuse bleeding causes him to blackout in front of one animal hospital. Yoon seo finds and cures him.
A mermaid from the Joseon period ends up in present-day Seoul, where she crosses paths with a swindler who may have ties to someone from her past.
Posing as her twin brother in a boy band, a young woman wins the heart of her bandmates and fans, all the while searching for her long-lost mother.
A woman named Go Ae-Rin loses her husband. Along with her neighbour Kim Bon, who is a NIS agent, they discover the truth behind her husband's involvement in a huge conspiracy.
Desperate to escape from his emotional baggage and the heavy responsibility he’s had all his life, a psychiatric ward worker begins to heal with help from the unexpected – a woman who writes fairy tales but doesn’t believe in them.
In his quest for a bride to break his immortal curse, a 939-year-old guardian of souls meets a grim reaper and a sprightly student with a tragic past.
An ordinary senior high school girl named Mika meets Hiro, a showy boy with dyed hair and pierced ears. It is a "pure love" story of the two going through many unimaginably sad incidents while nurturing their love single-mindedly. It not only depicts the first love of the senior high school couple but also weaves "a story of Mika and Hiro" through episodes probably familiar to anybody, such as warmth and affection of their family members supporting the two, importance of living, interactions with friends, and so on.
An alien who came to Earth 400 years ago is almost able to return to his own planet, but when he meets a famous actress, he doesn't want to go home.
Determined to escape a dead-end life, a gifted high school student turns to a world of serious crime to ensure he can pay for college.
Cha Dohyeon is a rich heir to a family company with one major problem. Due to suppressed childhood trauma, he suffers from dissociative identity disorder manifested in seven unique personalities who are out of his control. In order to overcome this disorder in secret, he hires a first-year medical resident to help him heal by killing off each personality one by one.