G-Man Jeff Crane poses as a crook to infiltrate the notorious Purple Gang, a band of hoodlums which preys upon other hoodlums. Orchestrating the jailbreak of the gang's leader, Crane joins him in a Dillinger-like flight across the country.
The Isle of Lost Ships is a 1929 talking film released in an alternative silent version with a Vitaphone track of effects and music. It was produced by Richard A. Rowland and distributed by Warner Bros..
