Seoul, South Korea, 1997. When the young but extremely anxious student Jin-seok, his parents and his successful older brother Yoo-seok move to a new home, mysterious and frightening events begin to happen around them, unexplained events that threaten to ruin their seemingly happy lives. Unable to understand what is happening, Jin-seok wonders if he is losing his mind.

Follow four people as they seek love and happiness: Kim Seol-A who once worked as an announcer and is now married to CEO Do Jin-Woo; Moon Tae-Rang, a chef and the oldest brother from a family of adoptees; and Moon Hae-Rang, Moon Tae-Rang's younger sister, who works as a secretary for Do Jin-Woo.

A rookie producer joins the Korean Broadcasting System to be near his secret crush and enters the madcap world of network TV, where ratings rule.

This story revolves around a girl named Lee Soo-jung who was adopted and raised by her adoptive parents, Park Geum-ok and her father Lee Kyung-tae and her brother Lee Soo-ho. Lee Soo-jung is often in a bad relationship with Ma Ye-ri.

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.

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.

Every family has its issues but what happens when the patriarch in the family is not happy with the behaviors of his children? Cha Bong Soon does not intend to just sit back and take bad treatment from his three adult children – Cha Kang Shim, Cha Kang Jae and Cha Dal Bong – and decides to take legal action against them. With such chaos going on in her family, Kang Shim has a tough time focusing on her job as secretary to the president of Daeoh Company and constantly at odds with the president's son, Moon Tae Joo, the company director. Will Tae Joo get sucked into the Cha family drama as well?

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.

A man, who is an autistic savant, aspires to become a paediatrician. He overcomes societal discrimination and uses his exceptional abilities to achieve his dreams.

The drama tells the story of finding the answer to life in a mad fight between three women due to a tragedy caused by false desires and greed.

A chaebol heir, Lee Geon, and a "post-it" girl, Kim Miyoung, are forced to marry after their drunken one-night stand resulting to an unexpected pregnancy.

Crown Prince Yi Gak finds that he has been transported from the Chosun Dynasty to modern-day Seoul. He meets Hong Se Na, who bears a striking resemblance to his dead wife, and is determined to solve the 300-year-old mystery of her death. With his own resemblance to the CEO’s grandson at the company where Se Na works, Gak assumes the identity of the young man to stay close to her. Can the Crown Prince navigate a modern corporation to find clues to his own time period?

A woman who was used as a false daughter by her real family's enemy becomes the embodiment of revenge, but grows and heals as she realizes the true meaning of what she thought she wanted the most.

A corruption inspector suddenly inherits a great fortune. In this mystery, she tries to regain her memory.

A woman who lost her memory falls in love with the husband she despised.

The queen of department stores and the prince of supermarkets weather a marital crisis—until love miraculously begins to bloom again.