In the 19th century, on the night of her wedding day, Park Yeon Woo's husband died after revealing that he had suffered from a heart condition for a long time. She is devastated, but before she can even mourn her husband, she gets kidnapped by a man and is thrown into a well. The moment she opened her eyes, she saw her husband before her. Transcending time, space and death, she is now in present-day Seoul, South Korea, and the man who saves her from the swimming pool is Kang Tae Ha, who looks a lot like her dead husband from the 19th century.
Kang Tae Ha is the successor of SH Seoul Corporation. He does not like opening himself up to others due to his heart disease and the trauma that he endured in his childhood. He prioritizes logic over emotions and is uninterested in having a romantic relationship, but his ill grandfather tells him that he wishes to see his wedding before he dies. In the hopes of making his grandfather's wish come true, Kang Tae Ha asks Park Yeon Woo to enter into a contract marriage with him.
Do Do Hee is the successor of the Future Group. She has an arrogant and cool-headed personality, who doesn’t trust in anyone. She is cynical about love. Do Do Hee gets involved with a demon named Jung Koo Won and makes a contract marriage with him. She faces big changes in her life.
Jung Koo Won is a demon. He can live for eternity by making dangerous, but sweet deals with humans who endure hellish lives. He looks down upon humans and he has prowled over this world like an apex predator for 200 years. He gets involved with Do Do Hee and somehow loses his power all of a sudden. He then enters into a contract marriage with her. To prevent his own extinction, he must protect Do Do Hee who has taken all of his power. Their relationship develops romantically.
Han Joon Oh is a leading South Korean celebrity. He is stunningly good-looking and tall, but is secretly plagued by an inferiority complex that leaves him permanently insecure. One day he is hired to appear in a public service video. But the shoot goes horribly wrong, and Han Joon Oh is involved in a potentially fatal car collision. He is only saved by the quick thinking of a female firefighter named Kang Young Hwa, who pulls off a heroic rescue.
Han Joon Oh’s representatives hire Kang Young Hwa to work as the star’s personal bodyguard, recognizing her incredible talents. But when Han Joon Oh awakes from his stupor in hospital, he has changed completely – as his body has now been possessed by the spirit of a nobleman from ancient Korea. This nobleman, named Do Ha, was killed by his beloved wife Han Ri Ta – and the vengeful spirit is on a single-minded quest for retribution…
Sim Jung Woo is an intelligent and handsome young man. He was the youngest to place first in the state examination, but he was picked to become the princess' husband. During their wedding ceremony, the princess suddenly died. Sim Jung Woo's life changed and he became the most unfortunate man. According to the Joseon period custom, he is not able to take the government post and he can't remarry. He then becomes involved with Jung Soon Deok.
Jung Soon Deok is a widow whose late husband was the second son of the first vice-premier. She secretly leads another life under the pseudonym of Yeo Joo Daek. As Yeo Joo Daek, she works as a matchmaker and also peddler of women's items like cosmetics and accessories. She is the best matchmaker in the capital city of Hanyang. Sim Jung Woo and Jung Soon Deok become involved with each other and they try to get older single men and women to marry as matchmakers.
Follows the story of a woman who is rescued on a deserted island after going missing 15-years ago.
Mok Ha is a girl who has always dreamt of becoming a singer. During middle school, Mok Ha goes missing and ends up on a deserted island, where she manages to survive alone for 15-years. For Mok Ha, being rescued from her solitary life is one thing; adjusting to modern society is another!
Han Yi Joo is a painter. She was adopted by Han Jin Woong and Lee Jung Hye . Her father runs Hanwool Financial Group. Yet, Han Yi Joo was not loved by her parents or her younger sister Han Yoo Ra. She was always isolated from her family. Now, Han Yi Joo is married to Jung Se Hyeok. She learns that her husband Jung Se Hyeok loves her sister Han Yoo Ra and not her. On that same day, Han Yi Joo gets into a car accident and dies.
When Han Yi Joo wakes up, she finds herself back in time when she was engaged to Jung Se Hyeok. To change her fate and take revenge on her family, she breaks off her engagement to Jung Se Hyeok. She then approaches Seo Do Guk, whom her younger sister Han Yoo Ra wants to marry. Seo Do Guk is the grandson of the Taeja Group’s founder. He is a smart and handsome young man. Han Yi Joo wants to enter into a contract marriage with Seo Do Guk and he willingly accepts, but he wants the contract marriage to become a real marriage.
Set in Seoul in the 1990s, a former DJ starts selling a new powerful drug nicknamed "Gangnam Crystal" in city nightclubs after mastering a gangster organization. Since the police know little about the origin of such drugs, in order to crack down on this rampant drug trafficking organization, rural police officer Park Jun Mu is assigned to sneak into the organization, only to discover that his wife, Yoo Eui Jung , also a detective, has volunteered to participate in this dangerous mission and seems to have an unspeakable past with the heinous underground drug king. Park Jun Mu in this drug-related mission, not only does he wholeheartedly fight the drug cartel, but also works hard to protect his wife's safety at all times.