Gab dela Cuesta (Kathryn Bernardo) is an expert at making every plan work. She has her professional and personal life all figured out. So when her long-time boyfriend proposes marriage, it is the cherry on top of her perfect life. But her world is turned upside down when she discovers that she is already married to happy-go-lucky trip leader, Dos Gonzales (Daniel Padilla), who is a total stranger.