When his bank fails, a young man loses not only all his money but his fiancée deserts him, too. With few options, he joins a traveling carnival and begins a new life.

The story of a boy, a dog, and a man. The boy discovers he is heir to a shipping line, and travels to Los Angeles, accompanied by inventor/radio operator Bob Whitlock and Irene Blaine. Their journey is aided by Pal, a wolf dog.

While Peggy deeply falls in love with Jimmy, her best friend Millie becomes increasingly frustrated with men and very jealous with Peggy, so she tries everything to destroy the new love.

A respected war correspondent is found murdered, with three bullets--from three different guns--in him. Three different men are arrested, convicted and sentenced to death for the murder, but only one can be the actual killer. A criminologist sets out to find who is really guilty.