Molly and Bee, sweet young 'working girls,' live in a cheap room over a New York grocery store. Molly's idol, wealthy Jack Cromwell, lives in a Long Island mansion but is markedly less happy, since his fiancée Jane won't discourage her other admirers. Fleeing in his car, Jack ends up in an urban block party where he meets you-know-who.

Dimwitted Cuthbert Hope is enlisted in the army, and gets himself and his sergeant in constant trouble.

In 1910s Paris, a sewer worker disillusioned with Christianity feels his prayers have been answered when he chances upon a street waif and they fall in love.

Mary, a poor farm girl, meets Tim just as word comes that war has been declared. Tim enlists in the army and goes to the battlefields of Europe, where he is wounded and loses the use of his legs. Home again, Tim is visited by Mary, and they are powerfully attracted to each other; but his physical handicap prevents him from declaring his love for her. Deeper complications set in when Martin, Tim's former sergeant and a bully, takes a shine to Mary.