The Crimson Gardenia (1919)

Wastrel New York millionaire Roland Van Dam travels to New Orleans during Mardi Gras looking for adventure and romance Because the costume he is wearing includes a red gardenia he is mistaken for escaped prisoner Emile Le Duc by a woman who turns out to be a longlost cousin who was to meet Le Duc who was to be wearing a red gardenia It turns out that Le Duc is the head of a vicious gang of counterfeiters and Roland winds up getting in more adventures than he had hoped for