The guys upgrade their dull living quarters by taking set decor from a phony soundstage apartment Gustavo set up for press purposes.

The guys are unhappy when an executive gives them a fifth band member: a troublemaker who thrives on causing conflict and promoting his own bad-boy image.

The guys all fall for the same girl, and this affects the love song Gustavo wants them to record. Instead of singing a sugary ballad, they produce a bitter antilove anthem.