Stairway to Heaven Season 1 Episode 5 Episode 5 ( Air Date 2003-12-17 ) Genre Drama category. Overview "As Song Ju doesn't show up in the ceremony where he was supposed to announce his engagement with Yu Ri, Yu Ri tries to drown herself in a river after leaving a memo to Song Ju. Jeong Seo doesn't remember anything about her past life and believes she's Kim Ji Su, and Song Ju keeps showing up in front of her.".