Gab (Kathryn Bernardo) is a "close-to-perfect girl" who's set to wed her long-time boyfriend and soon-to-be lawyer in the U.S. Jason (Matteo Guidicelli). Her world, however, suddenly turns upside down when she discovers that she is already married - but to a total stranger, the happy-go-lucky Dos (Daniel Padilla). As she figures out with Dos how this unlikely incident happened, Gab starts breaking her own rules to survive their crazily confusing situation. But the changes in her well-planned life seems to cause a change of heart as well.