The ring of a doorbell can herald good news or bad. When Bernard uncovers his wife’s affair, he blackmails her lover into bringing her dinner. Just when it seems things can’t get any weirder, the doorbell goes. Who could that be? French silliness and comedy capers are at the heart of Ding Dong, a play whose unexpected guests just keep coming. Please arrive on time as latecomers may not be admitted.