A wise and forgiving communist leader decides to send a young worker, Karl Renn, as an international delegate to the Soviet Union after the worker had deserted a picket-line and had expressed doubts about the methods of class struggle in in his own country.
The bold Tira works as dancing beauty and lion tamer at a fair. Out of an urgent need of money, she agrees to a risky new number: she'll put her head into a lion's muzzle! With this attraction the circus makes it to New York and Tira can persue her dearest occupation: flirting with rich men and accepting expensive presents.
The two pigs building houses of hay and sticks scoff at their brother, building the brick house. But when the wolf comes around and blows their houses down (after trickery like dressing as a foundling sheep fails), they run to their brother's house.