Unexpectedly, with Christmas just around the corner, the crude and perpetually unemployed Cousin Eddie Johnson, from National Lampoon's Christmas Vacation (1989), wins a worry-free, all-inclusive vacation to a breathtaking tropical island in the South Pacific. However, after a seemingly innocuous boat trip, Eddie's family--along with the heartbroken, Audrey Griswold; the equally sad, Uncle Nick, and the lovely guide, Muka Laka Miki--end up marooned on a deserted islet in the middle of nowhere. Now, it's Eddie's chance to shine. Can he pull off the perfect Christmas out of nothing?—Nick Riganas