Foreign spies steal the formula for a revolutionary explosive created by an Italian scientist and to decrypt the secret code they kidnap his secretary who knows about it.

The woman thief evades a young lady who is onto his game, but then tries his wiles elsewhere on a married woman by attempting to compromise and ruin the husband she is happy with.

After murdering her illegitimate baby, Isabella pins the blame on her innocent cousin Consuelo. Despite the strenuous efforts of her attorney-lover DeSylva, Consuelo is found guilty and shipped to a penal colony along with several other female prisoners.

Cousins James and Robert are in love with Susanna. When Robert and Susanna announce their engagement, James vows to ruin their happiness.

A former prostitute and a little Polish girl are survivors of a train crash. The woman wishes to adopt the child, but her past makes that difficult.

Elena, after a date with his boyfriend Guido, comes home finding his father tried to kill himself with gas because he lost a lot of money due to some wrong investments.

Anna, a woman with a troubled past, marries an honest worker at the SIMA mechanical workshop, who provides her with a decent life despite financial difficulties. Blackmailed by a man who knows about her past, Anna loses her mind and kills him. Sentenced to ten years in prison, she dies in childbirth while giving birth to a baby girl.