When the eight-year-old son, David, of a wealthy New England socialite is abducted, his kidnapper Max Harper and his seedy associates assume it will be a routine kidnapping in exchange for a large ransom. Unknown to the kidnappers, the shy and reserved David actually has a hidden agenda of his own, and a mysterious way of tapping into the minds of others. Soon, Max will wish that he had never kidnapped David, much less even heard of him.

Waldimar Daninsky, a lone survivor of a Tibetian expedition, returns home to find his wife has been unfaithful to him. Carrying the curse of the pentagram (or pentagon, as stated by the monk who nursed him back to health), the fury of the wolfman is unleashed! After disposing of his cheating spouse, he finds himself captive in a castle by a female mad scientist conducting mind control experiments. In a vein attempt at escape, he discovers the freaks left over from past experiments dwelling in the dungeons.

A group of mad scientists travel to Kong Island where they implant receptors into the brains of gorillas planning to create a gorilla war for world domination. Out to break a few heads is a descendant of King Kong.

A man who debunks mind control techniques as a profession must help a couple whose daughter has recently joined a cult.