A university professor gradually succumbing to blindness is entranced by an obsessive love, in this modern-day adaptation of a classic Korean fairy tale.

When Jo Yang Sun is driven out of house and home after her father is framed for a crime, she is forced to crossdress in order to make ends meet as a bookseller, where she meets Kim Sung Yeol, a handsome, but mysterious scholar who is actually a vampire. Meanwhile, an evil presence at the royal palace stops at nothing to keep the Crown Prince from claiming his rightful throne.

Han In Sang and Seo Bom are young and in love, despite major differences in wealth and status. But all of that hangs in the balance when Han In Sang accidentally knocks up Seo Bom, setting off a comedic domino effect that reverberates throughout the snooty Han family and the modest Seo family. Between pride and humiliation, as well as love and duty, will this young couple be able to survive the storm and do what's right for their baby?

Despite her poverty and lack of education or connections, bright and plucky Eun Jung-soo works her way up in the luxury handbag industry based on sheer talent alone. She encounters Do Jin-hoo, the smart and handsome chaebol heir of a fashion company, and Kim Seo-hyun who has to hide her true identity in order to achieve her dreams.

One day, a stationery store in front of an elementary school is struck by a lightning and a mysterious thing happens.

A fire starts in a classroom and two students are trapped in that burning classroom. One of the students died and one was taken to the hospital unconscious. People suggest it was suicide and some say it was murder. Detective Kim Eun Sup is staking out while the student is dying before he gets called in on the site. He then witnesses the most terrible thing there.

A growing friendship with their neighbors softens the resolve of a group of North Korean spies who are posing as an ordinary South Korean family.