Monica has lunch with Richard but doesn't want to tell Chandler. She and Chandler go to Las Vegas for their anniversary, but Phoebe tags along to make up for missing out on London. They find out that Joey is working as a gladiator while the recording for his movie has been postponed. Rachel takes Phoebe's advice and wanders around in her apartment naked, which Ross mistakes as an invitation to "the physical act of love." To get back at Rachel for making fun of him, he attempts to embarrass her on the flight to Las Vegas; mishap ensues.