Rosie and Alex are destined for one another, and everyone knows it but them. Best friends since childhood, their relationship gets closer by the day, until Alex learns that his family is leaving Dublin for Boston. Devastated, Rosie and Alex make plans for Rosie to apply to colleges in the United States. She gets into Boston College, Alex gets into Harvard, and everything is falling into place. But on the eve of her departure, Rosie gets some stunning news: she's pregnant by a boy she'd gone out with while on the rebound from Alex. Her dreams for college, Alex, and a glamorous career dashed, Rosie stays in Dublin to become a single mother, while Alex pursues a medical career and a new love in Boston. But destiny is a funny thing.