In Brooklyn circa 1900, the Nolans manage to enjoy life on pennies despite great poverty and Papa's alcoholism. We come to know these people well through big and little troubles: Aunt Sissy's scandalous succession of "husbands"; the removal of the one tree visible from their tenement; and young Francie's desire to transfer to a better school...if irresponsible Papa can get his act together.
Mexican-bandit Montero and his deaf-mute sidekick Coloso are being pursued through the sand-dunes of southern Arizona by lawman Bob-Cat Manners and his posse. Montero has intentions of robbing the bank owned by skinflint Lucius Perkins, but is sidetracked by the attractions of singing-teacher Helen Wardell. He learns that Perkins has marital designs on Helen and holds the mortgage on her ranch. But Helen is in love with Bill Howard. Perkins offers Montero money to kill his rival.
Oscar has been sent to the plains to make a man of himself, is soon visited by his sister Sybil Estabrook, who travels west along with her maid in tow. Oscar, who has been losing at cards to Victor Dufresne, is forced by him to rob a stagecoach in order to pay off his gambling debts.