Joey secretly throws a party on the roof of his building for the "Days of Our Lives" cast and he reluctantly invites the rest of the gang, once they discover his plans. Meanwhile, Ross meets a new colleague, Charlie, and is instantly attracted to her, however, he feels intimidated once he learns about her accomplished ex-boyfriends. Also, everyone forgets to tell Chandler about the change of plans and he gets stuck at a theater play by himself.