In 1854, the patriarch Patrick O'Leary (J. Anthony Hughes) of the O 'Leary family dies in an accident nearby Chicago while traveling amid-western prairie. His wife Molly O'Leary (Alice Brady) raises her three sons alone working as laundress. Her son Jack (Don Ameche) becomes an idealistic lawyer; Dion (Tyrone Power) is a gambler; and Bob (Tom Brown) helps his mother in the laundry business and marries local Gretchen (June Storey) in the old area known as The Patch. Dion meets the singer Belle Fawcett (Alice Faye) in the cabaret owned by Gil Warren (Brian Donlevy) and they fall in love with each other and become lovers. They also open a business of their own to compete with Gil that becomes their enemy. However Gil invites Dion to join the politics with him but Dion plots a scheme with tragic consequences.

"In Old Chicago" is a film with the fictional dramatization of the Great Chicago Fire in 1871. The melodramatic and romantic screenplay follows basically the fictional lives of the Irish brothers Jack and Dion. However it seems that the origin of the fire is precise with the O'Leary cow starting the fire in the barn. My vote is seven.

Title (Brazil): "Na Velha Chicago" ("In Old Chicago")