The Master Mystery (1918) is a Action, Mystery film that follows in this action-packed serial, government agent Quentin Locke infiltrates a corrupt patents company, only to run into the gleaming terror of its robot protector, the Automaton. In order to save the beautiful Eva Brent and find a cure for the dreaded Madagascar Madness, Locke suffers an inhuman array of tortures and physical restraints. He is chained, tied with barbed wire, padlocked in a crate and thrown in the water, tied beneath a descending elevator, strapped to an electric chair, and bound in an elaborate Oriental torture chamber. The Master Mystery is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.5 out of 10 from 4 votes. Fans of action movies may also want to explore similar titles below.