Children of Dust (1923)

Young Terwilliger, an orphan boy in New York City, "adopts" Old Archer, the caretaker of Gramercy Park, after the man is arrested for beating Terwiliger for picking a flower for his dead mother. As Terwilliger grows up, he falls in love with Helen Raymond, a pretty neighborhood girl, but finds a rival for her in Harvey Livermore. When World War I breaks out both boys enlist in the army and are sent to the front lines. Complications ensue.