When she reaches the end of her lifespan, a scientist rushes to Mexico, in order to save the half-breed alien seductress he raised as his docile niece, but soon awakens the deadly, sexual predator inside her.

A group of scientists try to track down and trap a killer alien seductress before she successfully mates with a human.

An astronaut gets infected with alien DNA during the first mission on Mars and runs amok on earth. Preston and Laura team up with a peaceful, genetically re-engineered Sil to track the monster down.

As her species decays succumbing to infections and illnesses, an alien seductress immunologically stronger becomes the only hope for them to live on.

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.