Ingrid Dahl is a cheerful, twenty-nine-year-old librarian living in the cosy mountain town of Ridgetop. She and her boyfriend since college, Cory, have never discussed marriage; they're perfectly happy with the way things are. But when Ingrid's sister announces her engagement to a woman she's only been dating for two years, Ingrid and Cory suddenly feel pressured to start thinking about the inevitable: marriage and kids. The thing is, neither of them has ever been with anyone else. Shouldn't they sow their oats before settling down? They make the unorthodox decision to separate for a month...