Kaori works as a design planner for a housing manufacturer. She has been having a secret affair with her married boss Fuyuki for years. Although Kaori can't see a future with Fuyuki, she still loves him and continues their relationship. One day Haruto, the newly-transferred young and hot New York interior designer finds them in a compromising position. Subsequently, Kaori and Haruto are teamed up on design project. Through getting to know Haruto, Kaori's fate begins to change.