A female doctor is sent to prison for a mercy killing. She manages to escape, get married and lead a model life, but one day her secret is exposed.

When two showgirls decide to leave South America and head for home, they sweet talk the purser of a clipper ship into giving them berths. In the course of the voyage, a band of thieves attempts to take over the ship and make off with its cash cargo. The heroic purser has other ideas and weighs in to save the day.