Starring Shin Hyun-joon, Choi Ji-woo, Kwon Sang-woo and Kim Tae-hee, "Stairway to heaven" stirred up fever and spurred thousands of viewers to flock to chat rooms and discussion forums to share their views and comments on the drama.

Like any other melodrama, this story opens with two childhood friends: Cha Song Joo (Kwon Sang-woo) and Han Jung Suh (Choi Ji-woo). However, as Jung Suh's father remarries, her new stepmother Tae Mira, brings her two children along, Han Tae Hwa and Han Yuri (Kim Tae-hee). An introvert, Han Tae Hwa (Shin Hyun-joon) is touched by Jung Suh's kindness towards him and gradually falls in love with her. Jung-seo's (Choi Ji-woo) step-brother Tae-hwa (Shin Hyun-joon) loves Jung-seo wholeheartedly, but she unfortunately lost her memory in a car accident and was sheltered by Tae-hwa. Jung-seo was recognized by her wealthy fiance (Kwon Sang-woo) in the party celebrating his engagement with another girl...