Pop diva Kat Valdes and her fiancé Bastian are the most talked-about couple of the year, with millions of people following their every move live on TV. But just seconds before tying the knot with her beloved in front of a crowd of fans, Kat learns that he has cheated on her. As her whole world collapses, Kat catches the eye of a stranger, a simple math teacher who happened to be at the concert, and makes the craziest decision of her life—to marry him. Can the first man she meets become the most important person in her life?