A Man of Iron is a 1925 silent film drama.

Honest Fordyce Manville newly elected Governor of New York refuses to appoint a man chosen by party leader Boss Tally to a prominent position having authority over a large amount of state funds. Tally threatens revenge and persuades his son Archie to break his engagement to Manville's daughter Ruth. Tally and his gang work out a plan to frame the governor but a clerk in Tally's office, who is Ruth's friend, informs her of the plot. Ruth and her friend manage to record the boss and his aides conspiring. Tally rushes the trial causing Ruth to arrive too late to stop the governor from being impeached on the first ballot, but justice wins out in the end.

Oma loves Jack and refuses to marry Hartman. Jack protects her and they eventually get married. Lafe and Hazelet have been good friends for years. Hartman tells Lafe that Hazelet voted dry. Lafe and Hazelet have a fight. Lafe builds a spite fence so Oma and Jack cannot communicate. Lafe dies with delirium tremens. Mrs. Tuthill dies from injuries received from Lafe while he is drunk. Just before Mrs. Hazelet passes away her husband promises her never to vote wet again. Maude Le Fever, the siren, who married Alfred Tuthill, deserts him and runs away with Sam Weber; she later deserts him. Alcohol kills old Dan Weber and leaves Sam a poverty-stricken wretch. Alfred Tuthill is redeemed from rum and builds a picture theater where the old saloon once stood and becomes a respected citizen. Jack is elected Mayor of the city, defeating Hartman by a large majority.

Richard Randall, a patriotic young lawyer speaks out against food profiteers. When ruthless food combine head, Everett Dearing, blackmails society idler Tony Terle into compromising Randall's wife, Beverly in an attempt to stop Randall's anti-war crusades. Ultimately, Terle is caught and confesses to killing Dearing, leading to Randall and Beverly's reunion.

Robert Powell, a New York City husband is fond of going out on the town and making friends with various women here and there, with nightclub dancers high on his list. His wife, Betty, figures that two can play that game, and she dons a mask and becomes a very popular dancer. Robert falls in love with the Masked Dancer, not knowing she is his wife. Meanwhile Betty is also pursued by a Prince.