"Fearless" the dog catches rum runners.

The worthless son of a rich man spends most of his time in jail. His father throws a pen at a map telling him wherever the pen sticks he must go and make his fortune. The pen lands on the kingdom of Guatamazela. He arrives and is attracted by a pretty girl, who turns out to be the Princess. A revolution breaks out and Al takes refuge in the room of the Princess. When he hears men coming he dons her clothes. But the revolutionists succeed and come to hang the Princess. His identity is discovered when the Palace Guards see him, and thinking he is the Princess, rescue him. The captain recognizes him and wants to shoot him. He finally eludes them all, rescues the Princess and all is well.