Rooftop Prince

Rooftop Prince is a 2012 South Korean fantasy romantic comedy television drama, starring Park Yuchun, Han Ji-min, Jeong Yu-mi, Lee Tae-sung, Lee Min-ho, Jung Suk-won and Choi Woo-shik. It is about a Joseon crown prince who, after his wife dies mysteriously, time travels to the future where he encounters familiar faces, modern-day devices, and corporate intrigue. It aired on Seoul Broadcasting System (SBS) from March 14 to May 24, 2012 on Wednesdays and Thursdays at 21:55 for 20 episodes.

The story tells about Tae-mu (Lee Tae-sung), after killing his lost cousin in the United States, returns to Korea, claiming that his cousin, Tae-yong (Park Yoochun), could not be found in New York City. Meanwhile, Tae-mu has been having a secret affair with Se-na (Jeong Yu-mi), his secretary, who, in turn, runs into her long-lost stepsister Park-ha (Han Ji-min). Park-ha has been missing for a prolonged period of time and it is revealed that she was in the US after Se Na abandoned her on the streets at age 9.

Two years after Tae-yong's disappearance, four men dressed in Joseon era garments, fall onto Park-ha's rooftop house. Hungry, homeless and having nowhere to go, the four men decide to stick with Park-ha. Their leader claims that he is the Crown Prince of Joseon (Park Yoochun), along with his entourage Scholar Song Man-bo (Lee Min-ho), Personal Bodyguard U Yong-sool (Jung Suk-won), and Palace Eunuch Do Chi-san (Choi Woo-shik). One day, Crown Prince Lee Gak sees Se-na who is the spitting image of his beloved wife, who was found drowned in the 18th century. He is convinced the two are reincarnations of each other. Meanwhile, company president Yeo (Ban Hyo-jung) mistakes Lee Gak for her grandson, Yong Tae Yong, because of their exact same appearance, and believes that her long lost grandson had finally returned. Lee Gak realizes that he has time traveled 300 years to 2012, Seoul, to search for the truth behind the mysterious death of the late Crown Princess. In order to approach Se-na, who is also President Yeo's personal assistant, Lee Gak pretends that he is Tae-yong. Tae-mu, believing that he already killed his cousin in New York, lives in constant fear of his devious act being discovered by the family and Tae-yong aka Lee Gak who claims not to have remembered the event. Tae-mu has always been jealous of Tae-yong's favored position in the family.

On the other hand, Park-ha is shocked by the news that her new friend who calls himself the Crown Prince is, in fact, the grandson of CEO. But before long, her feelings for Lee Gak blossom and she is hurt when she finds out that Lee Gak is courting Se-na, who still holds very tender memories of his dead wife. Lee Gak also believes that marrying Se-Na in Seoul year 2012 would bring him closer to solving the mystery of the Crown Princess' murder in the Joseon era.