John "Jack" Norton (Jack Mulhall), before the war a society playboy and fop, returns from the trenches of World War One a two fisted American who finds his father, Raymond Norton (William Welsh), in jail, charged with theft of funds from the bank in which he was the president. The money, placed there by the American authorities for the Kingdom of Thorwald, and Princess Elise (Margaret Livingston), is on the way to collect it. John lets his father think he is still the playboy he was before the war, but secretly dons his old `Doughboy" uniform and sets out after the gang that has framed his father.