The gang is mad at Ross. Joey tries to find the owner of a Porsche who left their keys in Central Perk. Monica and Chandler agree to baby-sit Frank and Alice's triplets for Phoebe. Rachel decides to move in with Phoebe.

Rachel and Phoebe decide to start running together, but Rachel is thrown off by the fact that Phoebe runs like a four-year-old. Joey finds a sexy new female roommate. Chandler decides to surprise Monica by cleaning the apartment, but forgets where everything goes. Ross tries to help him fix the apartment before Monica gets home.