 Aboard the merchant ship Simaloer, Mr Danzer and his circus troupe travelling to Lisbon. Mr Danzer needs badly new attractions for modest circus, and notices Hector, an airdale dog that is cute and well trained by the second-pilot. He makes a generous offer, but Mantell refuses to sell his dog. During their stay in Lisbon, gets involved in a bar fight, and is separated from Hector. The wonders thr ough Lisbon s streets, finds his way to the docks, and boards a ship - the wrong one. When the ship s crew finds