A Louisiana con man enters his steamboat into a winner-take-all race with a rival while trying to find a witness to free his nephew, about to be hanged for murder.

Will Rogers
as Doctor John Pearly

Anne Shirley
as Fleety Belle

Irvin S. Cobb
as Captain Eli

Eugene Pallette
as Sheriff Rufe Jeffers

John McGuire
as Duke

Berton Churchill
as New Moses

Francis Ford
as Efe

Roger Imhof
as Pappy

Raymond Hatton
as Matt Abel

Hobart Bosworth
as Chaplain