"Barrier Device" is a 2002 short film written and directed by Grace Lee.
It stars Sandra Oh as a sex researcher and Suzy Nakamura as a subject.
In the course of her work, she discovers that Serena, one of her subjects, is romantically involved with her ex-fiancé.
Torn between professional integrity and curiosity, Audrey attempts to learn more about Serena's life without compromising her work.
Barrier Device was Grace Lee's master's thesis at UCLA.