While entertaining one of his many lady friends, Wayne Carter, a well-to-do Park Avenue bachelor, is interrupted by the arrival of attractive Helene Andrews, who has come to his infamous apartment to fetch her younger sister Lita, whom she believes is dining with him. To her surprise, Helene finds Lita eating dinner not with Wayne, but with the butler, Rollins, and after apologies, excuses herself, impressing Wayne with her honest yet determined ways. Equally determined, Wayne then tracks down the elusive, out-of-work stenographer and offers her a position as executive secretary in his investment firm. At first Helene rejects Wayne's offer, but finally is convinced of his good intentions and accepts the job. To ingratiate himself further, Wayne arranges for Lita, an aspiring musical revue star, to get an act in a show backed by his friend, Lee Graham. After several weeks, Helene grows to trust the now reforming Wayne and gladly agrees to take dictation in his apartment one afternoon. In between letters, however, Agatha Carraway, a former lover, shows up, demanding Wayne's amorous attentions. When her unsuspecting husband Henry arrives looking for advice about his wayward wife, Wayne supplies it, while Agatha hides in the bedroom. Disenchanted, Helene storms out, but after a week's separation, Wayne convinces her of his genuine love. Their subsequent apartment rendezvous is again disrupted by Agatha and her jealous, gun-wielding husband, and although she bails Wayne out by posing as the "woman in the bedroom," Helene leaves him in disgust. Not until Wayne helps Helene find Lita, who has run out on her sister with threats of moving in with Graham, does Helene listen to his explanations and then accept his marriage proposal.