an alien shaped like a human mimicks a womans every move

A scientist, Dr Hollander, 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.

Jack Halsey takes his wife, their adult kids, and a friend for a dream vacation in Kenya. But as they venture off alone into a wilderness park, their safari van is flipped over by an angry rhino, leaving them injured and desperate. Then, as two of them go in search of rescue, a bloody, vicious encounter with a leopard and a clan of hyenas incites a desperate fight for survival.

Joanna Eberhart has come to the quaint little town of Stepford, Connecticut with her family, but soon discovers there lies a sinister truth in the all too perfect behavior of the female residents.

What does it take to become a Stepford wife, a woman perfect beyond belief? Ask the Stepford husbands, who've created this high-tech, terrifying little town.

A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.

The residents of San Francisco are becoming drone-like shadows of their former selves, and as the phenomenon spreads, two Department of Health workers uncover the horrifying truth.