“What’s the play about?”
“Nobody seems to know.”
“What do the actors say it’s about?”
“They don’t know,” Susan said. She was as close to embarrassed as she gets.
“The actors don’t know what it’s about?”
“No.”
“How about the Director?”
“Lou says that a play is not required to be about anything.”
“And it runs how long?”
“Four and a half hours with an intermission.” Susan smiled encouragingly. “It’s very controversial,” she said.
“Excellent,” I said. “Maybe a fight will break out.”

Robert B. Parker (1932-2010) American writer

Walking Shadow (1994)