Young Australian Erin (Sharni Vinson) hoped to make a good first impression when her boyfriend Crispian (A.J. Bowen) brought her to meet his snooty parents and siblings for an anniversary celebration at the folks' remote country estate. When the party gets crashed by a murderous pack of Halloween-masked, crossbow-wielding marauders, she really might not get to make another. Adam Wingard's smart and surprising mumblegore shocker co-stars Barbara Crampton, Rob Moran, Joe Swanberg, Ti West. 94 min. Widescreen (Enhanced); Soundtracks: English DTS HD 5.1 Master Audio, Spanish Dolby Digital 5.1; Subtitles: English (SDH), Spanish; audio commentary; "making of" featurette; theatrical trailer. Two-disc set.