Lewd, drunken Uncle Nick (Brian Posehn, Mr. Show, The Sarah Silverman Program) stumbles his way through his brother's cookie cutter-family's annual Christmas gathering in the hopes of scoring with a super-hot party guest. But the arrival of his equally crass sister coupled with Nick's liquor-fueled faux pas cause family secrets to bubble to the surface that might spell disaster for the whole clan before the night is over.