Jerry Warriner (Cary Grant) returns home from a trip to find his wife, Lucy (Irene Dunne), is not home. When she returns in the company of her handsome music teacher, Armand Duvalle (Alexander D'Arcy), he learns that she spent the night in the country with him, after his car supposedly broke down. Then, she discovers that Jerry hadn't gone to Florida as he had claimed. Mutual suspicions result in divorce. Lucy moves into an apartment with Aunt Patsy (Cecil Cunningham) and becomes engaged to her neighbor, Dan Leeson (Ralph Bellamy) from Oklahoma. However, Leeson's mother (Esther Dale) does not approve of her. Eventually, Lucy realizes that she still loves Jerry and decides to break the engagement. However, before she can inform Dan, Armand shows up at her apartment to discuss Jerry's earlier disastrous interruption of Lucy's singing recital. When Jerry knocks on the door, Armand decides it would be prudent to hide in the bedroom. Jerry wants to reconcile, much to Lucy's delight, but then Dan and his mother make an appearance. Wanting to avoid complications, Jerry slips into Lucy's bedroom, too. A fight erupts when he finds Armand already there. When Jerry chases him out of the apartment, right in front of the Leesons, Dan and his mother stalk out. Afterward, Jerry becomes seen around town with heiress Barbara Vance (Molly Lamont). To break up this relationship, Lucy crashes a party at the Vance mansion, pretending to be Jerry's sister. She acts like a showgirl (recreating ...
