Monica and Chandler are exited about their anniversary. Monica give Chandler two tickets to Vegas as a present. Chandler wants to go even tough Joey told him not to. (Because Joey lied about his movie) Phoebe decides to go too. While they are on their plane to Vegas, Rachel dances around naked in her apartment. From his apartment, Ross see her. He thinks she wants to have sex with him, and the whole situation ends up very embarrassing.
Chandler finds out that Monica had lunch with Richard. He first pretends he doesn't care, but it ends with Monica and Chandler arguing. Phoebe tell Monica to go and apologize to Chandler. She is going to, but then she start gambling. Phoebe tell Chandler that Monica is really sorry, and Chandler go to find her. But then he see her very excited about the gambling, gets disappointed, and walk away. At the plane to Vegas, Rachel and Ross are trying to make each other embarrassed.