In the 1880s, Brooklynite Madeleine Marlowe (Betty Grable) returns to the US from England, where she gained great notices on the musical-comedy stage as well as the interest of a British nobleman (Reginald Gardiner). Back home, Madeleine's onetime boy friend, Sam Mackeever (Robert Young),
is a reporter for the scandal sheet Police Gazette
. Under orders from his editor (Adolphe Menjou), Sam exposes Madeleine's dubious past: she is, in fact, the former Rosie O'Grady, a beer-hall performer who toiled in New York's Bowery. Destroying his ex-lover's chance to become a peeress of the
realm, Sam gets revenge for being jilted, while in turn Rosie/Madeleine exposes t...