A scientist, Dr Holander, takes his niece Miranda to Mexico in an attempt to reverse the effects of the alien DNA he used to create her. However the treatment goes horribly wrong, and sets Miranda on a killing spree as she sets out to find a mate.

Corporate smuggling of South American killer bees into the United States results in huge swarms terrorizing the northern hemisphere. A small team of scientists work desperately to destroy the threat, but the bees soon mutate into a super-intelligent species that threatens the world.

Mexican horror film about an American painter named Mary (Cristina Ferrare) who is living in Mexico where she sells her works and also kills people for their blood. It turns out Mary is a vampire but not the traditional one with fangs. Since she has no fangs she must stab or slash the throats of her victims but soon she has a new man (David Young) in her life as well as a mysterious man (John Carradine) in black who appears to be doing the same type of murders.