Captain David Grief

A thieving trader stiffs an elderly islander and throws him off his boat, so Captain Grief sets off in pursuit of the scoundrel.

When escaped convicts commandeer The Rattler and hold a man captive, the only thing preventing them from sailing out is a pair of ancient cannons.

When uncut gems are found on her island plantation, Madame Gideaux and her daughter are held hostage by murderous thieves.

A noted scientist falls for a beautiful native girl and becomes a derelict as a result.