As they are waiting for a divorce, young movie star Malissa Farrell and famous pianist Rudy Walter have left their baby, Johnny, with a child minder in Le Vésinet. Marinette, the latter’s daughter, who has been assigned to return the young Dubois to his parents, mistakes Johnny for the other kid. As she can’t find Mr. and Mrs. Dubois, Marinette entrusts Max, Mrs. Dubois’ father and the drummer in Ray Ventura’s orchestra, with the care of the baby. Max, who must join the other musicians in Monte Carlo, where the band is due to play for the Jazz Festival, has no other choice but to rake the little one along with him.
When ultra-respectable General Dumont discovers that his nubile daughter Agnes is “A.D.”, author of a scandalous under-the-counter novel, he wants her shipped to a convent; but she escapes to Paris, planning to live with her brother, ostensibly a rich artist but really a poor guide in the Balzac Museum. This misunderstanding gets both in serious trouble, and puts Agnes in immediate need of money…just the amount offered as grand prize in an amateur striptease contest, which her new boyfriend, reporter Daniel, is covering for his magazine…
A ruined Baron Philippe de baron, meets one day a troupe of traveling actors led by Herod. Attracted by the one who plays the role of the ingenue: Isabella, and by the dynamism and enthusiasm of his companions, he takes the place of the deceased poet of the troupe. And during performances, Philippe became the captain Sunder. For his part, Isabelle loves Philip, but does not consider marriage, nobility him missing, she refuses to harm the career of Baron. And one day, the Duke of Vallombrosa, seduced by Isabella, finds himself challenged to a duel by Philippe for touching the girl. Defeated, he launched his men against Sunder, then removes Isabelle. The actors throw themselves then to storm the castle where she is being held. This time Vallombrosa was seriously injured, and the duke’s own father, rushed to the scene, Isabelle discovers the girl he had once been an actress. Nothing stands now the union of Sunder and Isabella, under the tender gaze of the actors Herod and Scapin.