A "high-voltage Hollywood cast" (The Village Voice) including James Gammon, Woody Harrelson, Cheech Marin, Nick Nolte, Sean Penn, Sam Shepard and Sheila Tousey offers up an exclusive look into the rehearsal process in this riveting film created during the mounting of a Shepard play.

It's three weeks until Shepard's The Late Henry Moss opens at the Magic Theatre in San Francisco..and tensions are rising between Penn, Nolte and Harrelson. As sparks begin to fly between their characters, they set off a powder keg of emotions so explosive that the actors themselves are drawn into the fray.