Respected Parisian banker Paul Lavond is framed for robbery and murder by crooked associates and sent to prison. Years later, he escapes with a friend, a scientist who was working on a method to reduce humans to a height of mere inches (all for the good of humanity, of course). Lavond, however, is consumed with hatred for those who betrayed him, and takes the scientist's methods back to Paris to exact painful revenge.

A fur trapper catches another trapper trying to steal his furs. He stops the thief, but later on the furs are stolen anyway. Rin Tin Tin Jr. tracks down the thief to try to get the furs back.

Hospital intern Allen Meighan assures himself residency when he saves the life of a man trapped in an explosion. Allen is in love with student nurse Claire Donahue, and she with him, but she's married to the physically abusive Tom.

Anna and Joe are newly married, playful and deeply in love. Joe is scraping by as cab driver in New York City during a period of corruption, mob control and violence between cab companies.

A soldier falls in love with a newly-married woman after her husband abandons her for a business meeting on their honeymoon.