Nam Hong Ju, endowed with the ability to foresee events, resides with her widowed mother who runs a small restaurant. Despite her gift, she often finds herself powerless to change the outcomes. On the other side of the street, Jung Jae Chan, a rookie prosecutor, and his younger brother Seung Won become their new neighbors. An unusual dream involving Hong Ju, ruthless attorney Lee Yu Beom, and a life-saving intervention leads Jae Chan to realize their destinies are intertwined, as they begin sharing dreams and connecting in mysterious ways.
When a high-school girl finds that she is merely a character from a comic book whose destiny is decided by the writer, she decides to change the plot to suit her desires and find the love of her life.
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.
18-year-old Kang Gyung-Joon's spirit suddenly becomes transplanted in the body of 30-year-old Seo Yoon Jae. Seo-Yon-Jae is a successful doctor and engaged to high school teacher Gil Da-Ran. Gil Da-Ran just so happens to be the teacher of 18-year old Kang Gyung-Joon. More problems ensue when 30-year-old Seo Yoon Jae falls in love with another woman.
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.
Yun Hae Jun is the youngest anchor to ever work at his broadcasting station. He is calm and straightforward as a journalist and kind in his personal life. On the other hand, Baek Yun Yeong dreamed of becoming a writer but wound up working at a publishing company.
The two somehow travel back in time to the year 1987. There, Yun Hae Jun tries to find the truth behind a serial murder case, while Baek Yun Yeong attempts to prevent her parents from marrying. They soon realize that their objectives are connected.
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.
Park Ji-sang, a surgeon, leads a double life. While he tries to save his patients' lives, on the other hand, he is also a vampire who constantly craves for blood.
Kim Seo-Jin is a man who is driven only to achieve success in his life. Thanks to his efforts, he is the youngest executive at his company. His life is perfect, with his beautiful violinist wife Kang Hyun-Chae and a daughter. His wonderful life comes to a halt when his young daughter is kidnapped. He falls deep into despair. To change the past, when his daughter was kidnapped, he contacts Han Ae-Ri approximately one month in the past.
Han Ae-Ri has busy days with her studies and working a part-time job to make enough money to pay for her sick mother's operation. One day, her mother suddenly goes missing. Han Ae-Ri falls into despair, when Kim Seo-Jin from the future contacts her.
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.
Tae Pyeong is a prophet. When he looks into someone's eye, he can see the moment right before they die. Tae Pyeong is smart, rich and handsome. Despite his special ability, he is a bright person. A mysterious serial murder case draws Tae Pyeong's attention. He partners with Detective Joon Young to solve the string of murders.
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?
Kim Moo-Young wakes up to find he has become a zombie with no memories of his past. Witnessing the death of a Detective, he has assumed his identity to try discover the mysteries of his past. Meanwhile, Kong Sun-Ji works as investigative journalist who quits whilst investigating the 'Santa Killer' case. By chance the two are brought together and various circumstances lead to Sun-Ji working at Moo-Young's detective agency as an intern.