Race You to the Bottom (2007)

Nathan, 24, is a travel journalist from Los Angeles assigned to write about romantic hot-spots in California's Napa Valley. Maggie, 24, is trying to figure out how to turn her political science degree into a career. Although Nathan and Maggie both have boyfriends, they are in the throes of a passionate affair, and this will be their first weekend away together. En route to Napa, they visit Joe and Carla--friends of Maggie's from college. A spontaneous seduction brings to light their hopes and fears, forcing Nathan and Maggie to confront the reality of their romance as they drive through a gold and green autumn in wine country. Each turn is a test as these unconventional lovers try to rescue the sensuality and fantasy that bonds them.