Success could spell divorce for an advertising writer.

Nan Reynolds works hard to run her household on her husband Bill's small salary. He is dissatisfied with his job as an office manager but is afraid to take a chance. When Bill's company hires Patricia Berkeley, a high-priced copy writer, her success stimulates Nan, who went to high school with Pat, to push Bill into asserting himself at the company. Then when Bill's boss refuses to listen to his ideas, Nan convinces Bill to start his own advertising business with money she has saved from her budget. Business is slow until Nan gets Bill drunk and he manages to land a major account. He then hires Pat and starts spending the evenings with her. When he expresses his guilt for their affair, Pat accuses him of being provincial. Nan becomes aware of the affair but decides to say nothing. Meanwhile, Paul Duprey, one of Bill's top clients, has fallen in love with Nan. He realizes that Nan is behind Bill's best ideas and compliments her in front of Bill. Although Bill wants a divorce, Nan refuses to give it to him, and he angrily leaves the house. Seeing him from a window, Bill's son Buddy runs after him and is hit by a car. Bill changes his mind about the divorce, but in the meantime, Nan has decided to go through with it. Buddy recovers and Paul proposes to Nan. She turns him down and is reunited with Bill during their divorce hearing.