The film is counterbalanced between two interrelated parts. The first part takes place in Los Angeles, and is centered around a Korean female student, Gah-in, who is studying in the US. She is having a sexual affair with a married man named, Jun. The second part is about Jun's wife, Do-hee, which takes place in Seoul, Korea.
| Actor | Role |
|---|---|
| YYoon Sun ChoiGah-in | Gah-in |
 Lee Sun-jinDo-hee | Do-hee |
 Jung ChanHeesu | Heesu |
| JJohn FremontLee | Lee |