Traffic cop Larry Hayes takes care of four-year-old Mary Jane, the daughter of Gus Andrews, a criminal sent to prison because of Larry, and Nellie, a shop girl who visits often.

Rosie Sanguinetti's parents arrange her marriage, against her will, to Antonio Mosconi, "Tony the Barber." At the wedding ceremony in her Little Italy, New York neighborhood, Rosie flees to the settlement house where she meets Jerry Van Tyne, a wealthy young man who agrees, in a drunken state, to marry her. The next day Jerry realizes the consequences of the situation.