Irene Dunne is "Polly", happily married to "Philip" (Dean Jagger) with two children. They are pretty skint, until - that is - she finds her husband wiping his razor with a new five dollar bill. That is just the start of a series of windfalls that she is determined to capitalise upon, despite the objections of her inherently honest husband. Once we've established the source of the cash, she goes on...