I just loved this episode. It gioes like this:
Every year Joey sends the gang on a trip but he nevers goes because at that time he is having a secret rooftop party with the Days Of Our lives cast. Rachel discovers this and tells all the gang but Chandler because he's not there. So Chandler has to go to watch a play because he was never told about the party, the play turns out to be a horrible play.
In the meantime the gang is embarasing Joey at the party and Rachel gets a lot of phone numbers. Ross is also with a girl he is trying to date but his date (Charlie) ends up making up with Joey at the same time Rachel decides to go and kiss Joey but she and Ross see Jpey and Charlie kissing.