Camille, the young nephew of Victor Emmanuel, is overjoyed to have his speech impediment corrected by a new silver palate from Dr. In celebration, he and the household cook, Antoinette, also hurry to the Hotel Coq d’Or, followed by Etienne, Antoinette's jealous husband. Finache decides to go to the hotel in search of his own afternoon rendezvous.
Carlos, attempting to kill his wife, shoots at anything that moves.
Victor Emmanuel sees Raymonde talking with Tournel and believes she is unfaithful.
Victor Emmanuel is believed to be insane when Poche, an alcoholic porter at the hotel who is a dead ringer for Victor Emmanuel, is mistaken for him.
Camille loses his palate, and Tournel tries very hard to seduce Raymonde.
The confusion persists even after all are reunited again at Victor Emmanuel’s house.
Things begin to clear up when Carlos discovers a rough copy of the letter written by Lucienne on Raymonde’s desk, this one in Raymonde’s handwriting.The owner of the hotel comes by to return an article left behind by a member of the household and clears up the confusion between his porter and Victor Emmanuel.Finally, Raymonde tells Victor Emmanuel the cause of her suspicions, and he assures her that he will put an end to her doubts—tonight.The play is set in Paris at the turn of the 20th century.Raymonde Chandebise, after years of wedded bliss, begins to doubt the fidelity of her husband, Victor Emmanuel, who has suddenly become sexually inactive.Raymonde is unaware that his behaviour is due to a nervous condition.