You'll laugh until you scream with this horror comedy about an ill-tempered plumber (Trevor Matthews) who unleashes the forces of darkness. While repairing some pipes for Professor Crowley, the hotheaded handyman awakens a powerful evil. Soon thereafter, Professor Crowley consumes a black heart that possesses his soul and transforms his body, forcing the short-fused plumber to harness his all-consuming anger in order to fight back.