IF you make a movie about group sex, you must be prepared to own up to your point of view on the subject. But when actress Eliza Dushku, star of the indie "Sex and Breakfast," which opens in limited release Friday, is asked whether she's pro or con group canoodling, she giggles, before fessing up, she's more of a monogamous kind of gal.

"It doesn't even make sense to me," she says on the phone from her childhood home in Watertown, Mass., where she spent the Thanksgiving holiday. That would be a pass from Dushku, 26, best known for her stint on "Buffy the Vampire Slayer" and as the title character on the series "Tru Calling." That's why they call it acting. "Let us live it up for you," she cracks.