Divorcée Sarah Nolan (Diane Lane) isn't ready for romance. But when her sister (Elizabeth Perkins) signs her up for an online dating service, love-seeking mates come calling. While one Mr. Maybe (Dermot Mulroney) is rife with possibilities, another (John Cusack) is even more intriguing. Still, there's just one problem: While this second eligible bachelor's ad states that his dream woman "Must Love Dogs," neither he nor Sarah actually owns one.