The Avenging Shadow (1928)

Bank clerk James Hamilton is framed for a payroll robbery and is sentenced to a chain gang, while the real criminals, deputy prison warden George Brooks and assistant bank cashier Worthington, believe they have evaded justice. James's loyal dog, Klondike, follows his master to the prison camp and aids his escape. A thrilling car chase ensues, and Klondike extracts the confession from Brooks that exonerates James.