Oups ! J'ai épousé l'homme de ma sœur

Katie Devin and her sister are about to marry into the Nott family. The older sister, Eliza Devin, an ambitious CEO, is promised to the cold,domineering head of the family, while Katie is paired with the younger son, a popular movie star. On their wedding night, a chaotic mix-up throws everything into confusion. With no other choice, the sisters swap their marriage contracts—turning a twist of fate into a perfect match seemingly made by destiny.