Men of Steel (1926)
Jan Bokak is a self-educated steelworker who finds himself in the middle of a romantic triangle. Two different girls -- wealthy socialite Claire Pitt and blue-collar worker Mary Berwick -- simultaneously fall for Bokak. It later develops that Claire and Mary are actually sisters, the first of a series of surprising plot twists leading to Bokak being accused of a murder he didn't commit. lost film
ETC.
