A feud between twins takes a murderous turn. The ghost of the dead one won't rest until he has squeezed the life out of his evil brother.; On Friday 13th, a young couple checks into a strange hotel and is ushered into room 1313 on the 13th floor. They make the acquaintance of an annual convention of people who committed suicide in this room some years ago.; A tourist guide in an Irish castle summons the spirits of dead knights to avenge him. The brute who bullied him is torn to shreds by furious killer cats.; First mate Hansen kills Captain Randall over a girl, but is haunted by the dead man's ghost all over the seven seas.; A rider roams the land as the phantom horseman, ever trying to reach a mirage in the sky.; Account of the sunken continent of Mu, where the American indians came from.