Stairway to Heaven is a heart-wrenching romance that tells the story of a blind girl and a chaebol heir who fall in love against all odds. Their love is tested by amnesia, betrayal, and the cruelty of fate. Will they be able to overcome the obstacles and find happiness together?

Jeon Mi-sun stars as Au-jin, a bored housewife living in Busan. Her husband does very little to help raise their two children, So Au-jin works a number of part time jobs to make ends meet. Working in a call center, the conversations she has with a mysterious man are the only things in life that seem to make her happy. When she is encouraged to get a job as a hostess in a bar, Au-jin meets Min Su, and can finally open her heart.

After a performance depicting the lives of jesters during the Joseon era, the cast, led by director Byungsoo, immerses themselves in rehearsing a new play.