Erin Kennedy arrived in New York five years ago after a family tragedy. She was only going to stay for a year, but fell in love with handsome police detective Danny. Now happily married and living the perfect life on Long Island, Erin has no idea of what is about to hit her.

In one moment, her life as she knows it will be destroyed, following that fateful act one normal morning, and she will question everything she thought she knew about the man she loved.