sub·sti·tute /ˈsəbstəˌt(y)o͞ot/ a person or thing acting or serving in place of another. Princessa a.k.a Cessa never imagine that she would be a substitute bride for her sister. But circumstances made her be just that. And to make matter worse her sister husband to be was the man who insult Cessa when they met for the first time. When they enter the marriage life, they spend a lot of time together and love grow between them. And how will their marriage life and love survive when the said sister return to claim her place.