A psychotic woman becomes dangerously jealous when her best friend begins dating a handsome man. She will stop at nothing to keep the two apart, even if it means destroying their relationship or even murdering one of them.

It was a brutal murder that sent deranged psychopath Martin Kagan to prison. It was a naive deputy warden that granted him a stay of execution. Now, the police department's tactical defence instructor, John Lomax, wants revenge for his beloved sister's death.

When he began fusing human and shark DNA, his colleagues laughed at him. Now his creation is taking his revenge, and they aren't laughing anymore.

Brian Hartley has finally found the girl of his dreams in Linda. Unfortunately, he can't convince her or himself that it's really true. When she catches him with another woman, she finally decides she's had enough and vows to never see him again. Frenzied from the loss, Brian breaks into her house to try to talk her into seeing him again, but Linda and her roommates Kim and Sharon instead bind him to the bed.

Successful writer and scholar Jonathan Merrick falls under the spell of the irresistible, bewitchingly beautiful Ligeia. She's fighting a fatal illness and she will stop at nothing to defeat death, her one true enemy.

In Norway a military plane crashes under mysterious circumstances: in his last message the pilot reported many lights falling from the sky. NATO wants to play down the incident, but the famous TV moderator George Abbot and the no less persistent journalist Milker sense a sensational story about UFOs and start snooping around in the area with help of pilot "Bird" McNamara. Inspired by the suspiciously rigorous isolation of the whole area around the crash point and cases of an unknown disease they have a closer look at the military's activities...

Russian inmate Boyka, now severely hobbled by the knee injury suffered at the end of Undisputed 2. No longer the feared prison fighter he was, he has declined so far that he is now good only for cleaning toilets. But when a new prison fight tournament begins - an international affair, matching the best fighters from prisons around the globe, enticing them with the promise of freedom for the winner - Boyka must reclaim his dignity and fight for his position in the tournament.

An object is found that points to the secret of eternal youth so a research team is sent to find the fountain only to find it is protected by a giant snake

Two U.S. Marine investigators looking into a series of grisly murders in Manila discover that the crimes are tied to an amulet with a 400-year-old curse on it that has unleashed supernatural forces.

Police lieutenant detective Thomas 'Thom' Randall's steady girl-friend, Dr. Jennifer 'Jen' Allen, is Dr. Aaron Michaels's main assistant on his pharmaceutical firm Bellion's research program to cure the highly contagious, fatal infection Guinin. A convicted murderer, whom Thom arrested, is one of their special drug test subjects, but escapes. The convict and Jen are affected by radioactively altered DNA from an experimental reactor used on mosquitoes which transfer quinine. The convict soon mutates into a mosquito-like monster, which sucks its victims dry. By the time Thom and his junior murder brigade partner Charlie Morrison figure out what happens, Jen starts mutating herself.