Sooner or Later: When newlywed Robert Ellis suspects that his missing wife is having a clandestine affair, he appeals to his friend, Pat Murphy, to find her. Pat's search leads him to the Waldorf-Astoria where he finds a woman named Edna Ellis and, assuming that she is Ellis' errant wife, kidnaps her and returns her to Ellis. Complications arise when the real Mrs. Ellis arrives home and discovers another woman. After several comic incidents, Pat falls in love with Edna and Ellis learns that his wife's secret rendezvous was with her sister.