In the Los Angeles of the future, police are forbidden to carry weapons and must use stun guns instead. A maverick detective ignores those restrictions in his pursuit of "The Bullseye Murderer," a psychotic rapist who takes a new drug called "Umbra" that gives him superhuman strength and intelligence.

A Vietnam vet with PTSD and his new wife are invited for their honeymoon aboard his war buddy's yacht along with a third war friend and their girlfriends. Soon, they are being slaughtered one-by-one by a mysterious gloved assailant with an unusual pronged murder weapon.

In the future, two slaves in a distant galaxy escape prison and crash-land on a strange planet. They meet Zed, whose hospitality attempts to hide the fact they are to be hunted for sport. Armed only with knives and their wits, the girls must battle their way across the jungle to a hidden arms cache before Zed catches and kills them.