Angel buys tickets for everyone to the ballet, one that he saw in the late 1800's.  Once they get there, Angel sees that all of the dancers are the same once's that he saw many years ago.  It's up to the group to solve the puzzle.  When Angel and Cordelia go to investigate, they are possessed by spirits of the past and also learn of their feelings for one another.  Wesley and Gunn, meanwhile, are competing for the affections of Fred.  During the fighting backstage, Fred and Gunn realize their feelings toward each other.  When all is over and they return to the hotel, the Groosalugg shows up from Pylea and Cordy is overjoyed at seeing him.