England, 1645. The cruel civil war between Royalists and Parliamentarians that is ravaging the country causes an era of chaos and legal arbitrariness that allows unscrupulous men to profit by exploiting the absurd superstitions of the peasants; like Matthew Hopkins, a monster disguised as a man who wanders from town to town offering his services as a witch hunter.

Archaeologists discover the final resting place of a boy king, removing the remains to be exhibited in a museum. By disturbing the sarcophagus they unleash the forces of darkness. The Mummy has returned to discharge a violent retribution on the defilers as the curse that surrounds the tomb begins to come true. One by one the explorers are murdered until one of them discovers the ancient words that have the power to reduce the brutal killer to particles of dust.

In a spoof of the spy genre a secret agent chases a missing formula that can drain nuclear energy from an element named Spurium,