All of the navy men in a California port town have fallen in love with Jackie Holbrook, except for Captain Robert Crowne. As a result, roused by the challenge, Jackie decides that she must add Robert to her list of conquests. Disguising herself as a sailor, she leaves port on Robert's ship, which is headed for the island of Vergania to quell a native uprising. On the island, Robert is taken captive by the natives, and just as they prepare to sacrifice him, Jackie leads a successful rescue mission. Then, Jackie reveals herself to be a woman, and Robert, impressed with her beauty and bravery, instantly falls in love, and makes plans with her for an immediate marriage.