The Duncans are separated on route to Amy's parents in Palm Springs after Teddy makes a snap decision to give up her airline seat for a free ticket. Unwilling to let her daughter travel alone, Amy also disembarks the plane only to discover the next flight to Palm Springs departs after Christmas, on December 26. Meanwhile, the rest of the family arrives in Palm Springs, but things aren't any easier as Bob tries to care for Charlie under the watchful eye of Amy's mom Petunia who does not like Bob at all.