Family dysfunction gets a murderous twist in this dark comedy. The Brewster Sisters run a “room-for-rent” business out of their home. They promise room, board, and their special homemade elderberry wine. Their nephew Mortimer, a reluctant theater critic, pays a visit on the eve of his engagement and discovers his aunts’ unusual hospitality. Mayhem ensues as Mortimer tries to keep his aunts’ entrepreneurial endeavors at bay.