Yeong-seo Park

Mid 30's Hyeon-su Nam is a popular radio d.j. and entertainer (who was even more popular in his younger days). One day his apartment doorbell rings and a young lady named Jeong-nam Hwang appears and tells Hyeon-su that he is her father. Furthermore, she informs him that he is now a grandfather to her young son, Ki-dong. Hyeon-su would like nothing better than just close the door, but when Jeong-nam threatens to go to the media he allows the young lady and her son to stay in his apartment. (AsianMediaWiki)

A man named KIM jumps into the dark, quiet waters of the Han River. He wakes up and finds himself lying on strange ground, covered with sand. For a second, he thinks he is in heaven, but soon recognizes that he simply drifted to a nameless island in the river. In one of the riverside apartment buildings, there's a girl who hasn't ventured out of her room for years. With her dishevelled hair and in the same old clothes she's worn for years, she looks just like a castaway... (www.avistaz.com)

KANG Tae-sik, a former cop who was once the best man on the force, is now an infamous private detective who handles all kinds of dirty work from catching philanderers to collecting people's debts. (imdb)

An unhappy woman goes back in time and poses as her cousin to prevent her younger self from making the same mistakes and ruining her future.