Bitna is a 26-year-old and an unknown actress living in Seoul. Her boy friend Jae-hyun, a poet, with whom she has been living, disappears one morning. He has written poems about childhood, using diverse metaphors. Then one day, a package from Jae-hyun arrives a few months later. There is a DVD. The video clip shows a Korean traditional house with a blue door. Bitna decides to leave to find this location.