Love Lesson (2013)
Hee-Soo (Kim Sun-Young) is a popular songwriter with numerous hits, but she is going through a dry spell. She wonders if she lost her inspiration, because she is lonely. Hee-Soo then meets a boy (Byun Joon-Suk) in the elevator of an apartment building. She notices his stares. Hee-Soo feels a new song coming about.