In the years before World War I, a love affair takes place between an American pilot named Jack Ames and a French spy named Madeleine Aubert. Madeleine leaves her American fiancé to join her father, another French spy, at an estate in Germany. Her father instructs her to accept the invitation of a Prussian officer, Eric von Coburg, to live at his estate for a month.

George Morris constantly lies to his wife, Helen, to hide his escapades. As he is about to leave his wife, some guests arrives, including Paul Wilcox, who is in love with Helen. By the end of the party, however, George and Helen have reconciled yet again. Soon after, George meets Joan Whitley and loses a lighter which his wife has given him; Whitley drives off with it. When Helen throws a party, Joan, who is an old friend of Helen, arrives. When Helen introduces Joan to George, they pretend not to know each other. George pleads with Joan to return his lighter. She agrees to meet him later in the library and if he is nice to her she will give him back the lighter.

Two gold diggers try a French dressmaker, two Mr. Smiths and Havana.

Based on the farcical stage play written by Pulitzer Prize-winning* writer Elmer Rice, Oh, Sailor Behave! is a movie Musical with a split personality. Nanette Dodge (Irene Delroy) falls for newspaper reporter Charlie Carroll (Charles King) who is on assignment in Venice to land an interview with Romanian General Skulany (Noah Beery). Our couple is split apart by a pair of storylines - Nanette tries to woo a Russian prince (Lowell Sherman) who is blackmailing her sister, while Charlie, following a lead to the general, finds himself Romantically involved with Kunegundi (Vivien Oakland), "the general's favorite."

Mr. and Mrs. Warner Bros. Pictures and their precocious offspring, Little Miss Vitaphone, host a dinner in honor of Warner Bros. Silver Jubilee, attended by most of the major players and song writers under contract to WB at that time.