Ace NIS agent Jung Hae-seong is demoted after a mission failure. He goes undercover at a high school to locate King Gojong's missing gold, meeting his teacher Oh Soo-ah, who sees him as her lost first love, stirring old heartbreak.
A work about the delightful and heartbreaking story of a family growing up while raising a child, centering on a single dad Geum Kang San and adopted child Ok Mi Rae who is the apple of his eye.
Jin-ho Jeon is a very stylish young man with the perfect looks. Jin-ho has also some faults which include being self-centered and obsession with cleanliness. Jin-ho Jeon then comes across Gae-in Park, a woman hurt by love and is now looking for a gay roommate/friend. Jin-ho wanting to live with the woman, then pretends to be a gay male.
After her husband's sudden death just ten days into their marriage, the eldest sister-in-law must step up as the head of the family, navigating the complex relationships with her five unique brothers-in-law.
Maeng Se-na, a top star criminal lawyer who has been a fangirl for fifteen years, tries to prove her favorite idol’s innocence, who is suspected of murder.
The love story between a top actress and an airline director who each suffers an unusual phenomenon. He suffers from prosopagnosia, while every month she transforms into someone else for a week.
Lee Young Kook is a widower with three children. He still hasn’t gotten over the death of his wife. He decides to hire Park Dan Dan as a live-in tutor for his kids and he becomes attracted to her. Meanwhile, Park Dan Dan has bright and positive personality despite her harsh situation.
No Mu-jin is a labor attorney who happens to see ghosts. After coming back from the brink of death, he begins solving labor problems requested by ghosts.
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.
Song Jin Poong is the eldest of four sons and works hard to earn money to support his family. He is also a man who cannot forget his first love. His mother, Ok Hee, wants him to get married because he is already 38 years old. Ok Hee believes that her sons are great catches and any woman would be lucky enough to marry them, however, their neighbors feel differently as each son has an unique problem.
Choi Kang Chi is a half-beast and half-human and was adopted by a merchant Park Mu Sol when he was a infant. Kang Chi has a kind of unusual power. Dam Yeo Wool is the daughter of Dam Pyeong Joon who is the owner of the Invisible Knife Moo Kwan and also a patriotic warrior. Kang Chi and Yeo Wool meet and fall in love with each other. However, there is hatred between their fathers. Jo Gwan Woong is a traitor. He uses his power to frame faithful and upright individuals and obtain profit for himself. His criminal plots are destroyed by Kang Chi time and again. Therefore, he is determined to kill Kang Chi through different ways. Kang Chi is troubled by his identity but stands up for justice.