Duplex (2003) is a darkly comedic film that explores urban frustration through the lens of a young couple's real estate nightmare. Directed by Danny DeVito, the movie follows Alex and Nancy (played by Ben Stiller and Drew Barrymore) as they purchase what seems like their dream Brooklyn duplex, only to discover the elderly upstairs tenant, Mrs. Connelly (Eileen Essell), has no intention of leaving. What begins as a simple landlord-tenant dispute escalates into increasingly absurd attempts to drive out the seemingly sweet old lady.

The film's strength lies in its escalating comedic tension and the excellent performances from its leads. Stiller delivers his signature exasperated humor perfectly, while Barrymore provides a more nuanced portrayal of moral conflict. Essell steals scenes as the deceptively troublesome tenant whose innocent appearance masks a masterful talent for disruption. DeVito's direction maintains a brisk pace through the 89-minute runtime, balancing slapstick moments with darker comedic elements.

While the premise might seem simple, Duplex offers sharp commentary on gentrification, urban living pressures, and how far people will go for their ideal home. The German-American production brings a slightly different sensibility to the New York setting, creating a unique comedic tone. Despite its modest IMDb rating of 5.9, the film has developed a cult following among fans of dark comedy and remains worth watching for its clever premise and committed performances that turn an ordinary situation into extraordinary comedy.