A band of vigilantes catch Jed Cooper and, incorrectly believing him guilty of cattle rustling and murder, hang him and leave him for dead. But he doesn't die. He returns to his former profession of lawman to hunt down his lynchers and bring them to justice.

In 1912, the notorious and violent prisoner Robert Franklin Stroud is transferred to the Leavenworth Prison convicted for murdering a man. When a guard cancels the visit of his mother, Elizabeth Stroud, due to a violation of the internal rules, he stabs and kills the guard and goes to trial three times. He is sentenced to be executed by the gallows, but his mother appeals to President Woodrow Wilson who commutes his sentence to life imprisonment. However, the warden, Harvey Shoemaker, decides to keep Stroud in solitary for the rest of his life. One day, Stroud finds a sparrow that has fallen from the nest in the yard and he raises the bird until it is strong enough to fly. Stroud finds a motivation for his life raising and caring for birds and becomes an expert in birds. He marries Stella Johnson and together they run a business, providing medicine developed by Stroud. But a few years after, Stroud is transferred to Alcatraz and has to leave his birds behind.

A young field administrator for the TVA comes to rural Tennessee to oversee the building of a dam on the Tennessee River. He encounters opposition from the local people, in particular a farmer who objects to his employment (with pay) of local black laborers. Much of the plot revolves around the eviction of an elderly woman from her home on an island in the River, and the young man's love affair with that woman's widowed granddaughter.

Chicago hotel clerk Frank Harris dreams of life as a cowboy, and he gets his chance when, jilted by the father of the woman he loves...