Lee Jang-soo

There exists a love in the human heart that cannot be erased forever. Because it was believed that this love exists only in heaven, people continue to search for a stairway to heaven. (imdb)

Two soon-to-be step siblings grow close during their teen years, helping each other through family challenges. After high school, they part ways. Years later, they reunite alongside a cousin, rekindling unresolved emotions from their past. (imdb)