A married couple's romantic weekend is turned upside down when the husband's ex-girlfriend, a woman he's secretly obsessed with, is running the ski lodge where they're staying.

Rebecca, from an upper class Los Angeles family, and Henry, from choir-singing, tradition-bound Midwestern roots, are in love. Henry pops the question just before Christmas and the kids plan on gathering their families for the holidays in order to surprise them with the good news. The families collide-oops-meet the week of Hanukah just before Christmas in Madison, Wisconsin. It's a wild, whacky ride of good intentions and missteps as the two families try in vain to respect each others' traditions. It's not long before Rebecca and Henry learn the hardest part about being married might be dealing with each other's in-laws.

Sam (Shannon Elizabeth), a soon-to-be bride, faces a dilemma when an old college crush comes back into her life... Who will she choose?

A US president (Gene Hackman) who has retired after two terms in office returns to his hometown of Mooseport, Maine and decides to run for Mayor against another local candidate (Ray Romano).

Kim and her boyfriend Matt have just broken up, but they travel together to a cottage nearby a lake to spend the weekend with their friends Eve, Dash and his wife Amber and Baker and his new girlfriend Lily. The atmosphere becomes heavy with the situation between Kim and Matt, and one of them suggests them to play "Dead Mary". Matt, Eve and Dash summon the evil witch repeating her name three times in front of a mirror with a candle. Along the night, Matt hears weird noises, is killed and returns to life, while part of the group is possessed by the fiend. Without knowing who is possessed, the rest of the group fights to survive.