Jack Breslin, a police officer, investigates brutal murders in which organs have been removed from the victims. Teaming up with Ta'Ra, a beautiful alien medical officer, he learns that the crimes are being committed by a monstrous alien insectoid escaped prisoner known as a xenomorph. Ta'Ra has assorted superhuman abilities, including telepathy and superhuman agility, which come in handy as they track down and destroy the xenomorph.
An escaped convict, having vowed revenge on Jack for putting him in prison, manages to steal Ta'ra's impenetrable body armor and laser weapons.
Jack and Ta'ra look after a gifted little girl who's being stalked by strangers because of her late father's experiments.
Jack and Ta'ra are told not to investigate a spooky wax museum after a woman claims to have seen the head of her missing brother there.
Jack tracks down a reclusive science-fiction author who claims in his latest work to have made contact with extraterrestrials uncannily similar to a real alien race known to Ta'ra's people.
A recently released mental patient receives orders from a nightclub ventriloquist's dummy to go on a murder spree.
Working with a celebrity psychic, Jack begins to suspect the man may be involved somehow in the kidnapping they're trying to solve.
Jack's irresponsible cousin Ricky enlists his help when the body disappears from a coffin he is transporting.
Ta'ra decides to investigate a small seaside town whose residents believe that they are being controlled by aliens from outer space preparing for an invasion.
