在发现各自的现任是手足后，这两个心怀怨恨的前恋人必须在同一屋檐下度过圣诞节，同时隐瞒他们的恋爱史。
Lindsay Lohan
Avery
Ian Harding
Logan
Kristin Chenoweth
Erica
Jon Rudnitsky
Cameron
Dan Bucatinsky
Leonard
Jake Brennan
Callum
Judy Reyes
Margaret
Katie Baker
Cassie
Tim Meadows
Stan
Ash Santos
Sophie
Henry Czerny
Mitchell
Bobbie Eakes
Cheryl
Brian Unger
Paul
Chris Parnell
Veterinarian
