I didn't know A CHORUS LINE was about Cassie, a 40-something year old dancer having an affair with a young has-been. Maybe THIS is what the movie should be like, STEP UP 3: THE AGE GAP.
"Some people can thrive and bloom living life in a living room, that's perfect for some people of one hundred and five. But I at least gotta try, when I think of all the sights that I gotta see, all the places I gotta play, all the things that I gotta be at"