Sins of Ambition

A recently widowed and destitute young mother (Jane Novak) appeals to her wealthy and heartless father-in-law (Robert Edeson) for financial aid. Instead, he convinces her to hand over her new baby to his care so that the child will be brought up with "everything money can buy." Unbeknownst to the grandfather, we learn that there are twin sons and our heroine keeps one baby to raise herself. The narrative jumps ahead to the boy's twenty-first birthday and we see what's become of them. Not surprisingly, the wealthy son has grown up spoiled and greedy while the poor one works hard and loves his mother.

A woman with a taste for expensive clothing has four nightmares. An impoverished disabled girl sells her hair, a trapper finds he has an unfaithful wife, the wife of a dying weaver finds she cannot work the loom, and a model harassed by her boss is driven to murder.

War buddies Whitey and Skeeter have become safecrackers. On a job, Skeeter is surprised by the police and killed. Later Whitey discovers that the lowlife Mal is the police informer responsible for Skeeter's death. Whitey sets out to find his moll Kitty, hearing she has gone to the country to find peace and quiet he finds her in a small town. She is involved with bank clerk Fred Morton, so Whitey pretends he has found someone else too. When Mal arrives in town as the advance man for a con and he pursues Skeeter’s sister Evelyn, Kitty tells the story of her own criminal past to save her. Fred drops her, and Kitty tries to drown herself in the river. Whitey saves her life and exposes Fred as an embezzler.

Hal Whitney, an irresponsible young millionaire, befriends Timothy Payne, a wise old college professor whose life had been ruined by alcohol. After "adopting" Timothy as his father, Hal introduces him to his sweetheart, Helen Maynard. The outraged Helen breaks their engagement, certain that Timothy will be a bad influence on her hard-drinking fiancé. However, both men assist in each other's reformation, and Hal is soon reunited with Helen, while Timothy marries Hal's mother, Elizabeth, whom he had loved in his youth.

Artist Standish using his wife Mary as his model finishes a painting of the Madonna. When the Connoisseur and the Parishioner inspect the picture, the Connoisseur tells Standish that the model was a one-time paramour. Buying the painting they depart. Standish confronts Mary, who tells him that she believed herself legally married to the Connoisseur. Unbelieving he ejects her and their baby son. Penniless Mary leaves her boy on the steps of a monastery. Years later before becoming a monk the boy is sent to see the world. Wandering into a café he is seduced by Beauty as the other inmates of the place, Lust, Rum, Avarice and Passion dance around him. The proprietor enters; it is Mary. Recognizing the crucifix, she left with him as a baby she persuades him to go back without revealing her identity. After he becomes a priest Mary, now a bedraggled old woman enters his church. She recognizes him and just before she dies her son gives her absolution.