The Fast Freight

A young woman named Helen rejects Blake, her engineer sweetheart, and instead marries Slade. Slade turns out to be a criminal and is imprisoned when his and Helen's son is five years old. Trying to support her child, Helen obtains a job in a railroad settlement and there meets Blake again. When Slade escapes from prison, he goes to Helen and forces her to hide him. The child runs to Blake for help and arrives in time to save Helen from her husband's attack. Eventually, the police arrive and Slade is shot while resisting arrest, thus freeing Helen to marry Blake.