Walter Noss is ruined trying to find malleable copper to make material for German torpedoes. One day, in a secret compartment of an old chest, he finds a document from an ancestor describing the formula for this malleable copper.

An Italian spy infiltrates a weapons factory in Germany.

Jenny, a cleaner, is seduced by a local playboy, Edouard. Jenny's parents reject her after she spends the night with him. She finds a job as a vaudeville dancer, but ultimately winds up in the gutter.

A man who thinks he killed a millionaire is cared for by a Cockney girl and becomes a composer.

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