Katie has been a wedding planner and a floral designer, so she knows a thing or two about romance. But when Ian, an illustrator she'd met only briefly, called her up at her San Francisco studio as she was meeting with a bride, she was all business. "I gotta make this quick," she said. "Are you calling to ask me out on a date?" He was, and if Katie wasn't charmed when she picked up the phone, her feelings bloomed once she had the chance to spend the day with Ian, cruising down Highway 1.