An uptight, conservative businesswoman accompanies her boyfriend to his eccentric and outgoing family's annual Christmas celebration and finds that she's a fish out of water in their free-spirited way of life.

The story of a young Marine, fresh from Camp Pendleton, who is forced to confront the complexities of adulthood and a volatile home life during a four-day Thanksgiving leave.

On Christmas Eve, The Perfect Family experiences a series of outrageous misadventures, pranks, and criminal activity that may jeopardize their chance at The Perfect Christmas.