Pete (Will Ferrell) and Billie (Julia Louis-Dreyfus) are a prosperous American couple who’ve taken their two sons on a ski vacation to the Alps. Are they having fun yet? That’s a question that hovers over the movie, as the family members hit the slopes and make pilgrimages to the alpine-lodge restaurant, or retire to their room, where they always feel guilty about playing games or watching TV, since they could do that anywhere.