The witcher Rego takes human form by using magic brews and terrorizes London society in the disguise of Lord Harwood. The fearless lawyer Percy Wynbrock hunts him down and can kill the fiend in a duel with magic swords.; Explorers searching for the secret of head-shrinking are captured by madman Maximo. He shrinks them to doll size and prepares to cut their heads off. The miniature people overpower their tormentor and escape. But they run into unexpected difficulties.; Two businessmen commit theft and murder, but frame their partner for the crimes. But Howard Pell is revived by a scientist and returns from the grave. In the end, justice has been served.; A gang of smugglers encouters ghosts from the past at a lighthouse. In helping the ghosts settle an old score, the men are promised a gold treasure. Overwhelmed by human greed, they dismiss a warning and drown tragically.; A witch helps a man regain his stolen horses. She lets a ship sink so that the animals can swim ashore.; Roman philosopher Athenodorus follows a ghost and is led to a hidden treasure.