Caroline Xmas, a control freak wishes absolutely nothing more than an ideal Christmas with her siblings at her extravagant nation chateau to atone for the truth that their dad deserted them years ago. When on Christmas Eve their long-lost papa arrives at their front door with his new girlfriend, turmoil follows. Via a series of problems and misconceptions, Caroline reveals a long-buried household secret. Can the family still commemorate Xmas with each other after all?