A group of UAC Marines respond to a distress call from a top secret scientific base on Phobos, a moon around Mars, only to discover it's been overrun by demons who seek to create Hell on Earth.

An unscrupulous District Attorney is savagely murdered and tossed out of a building onto his brand new car. Mysteriously, the District Attorney and his car come back to life as a single being with a thirst for vengeance.

Prince Leopold, heir to the throne of Cordinia, wishes to marry his young love Emily Taylor, a humble seamstress from Philadelphia. But Leopold's mother, Queen Isadora has other plans for her son.