Chandler walks into the apartment without knocking and accidentally sees Rachel wandering around topless after she took a shower. When Rachel trys to see his "pee pee" she ends up seeing Joey's. Then joey ends up walking in on Monica who walks in on Joey's dad. Joey finds out that his father has been having an affair with another woman for the past few years. He tells his mom about it but she gets mad because she already knew.
Phoebe has a new boyfriend but no one likes him. Roger is a shrink and trys to pick at all their personalities when he's around.