A young woman, recently released from a mental hospital, gets a job as a secretary to a demanding lawyer, where their employer-employee relationship turns into a sexual, sadomasochistic one.
When a series of unexplained vicious animal attacks strikes his community, Sheriff Jim Tanner and his assistant Barbara trace them back to a Dr. Hyde, a former military researcher whose government funding for a dinosaur cloning project was cut. When the Pentagon discovers Hyde obtained foreign backing to continue his experiments, they send in a strike team to save Tanner and Barbara and stop Hyde.
A psychology student invites a group of his friends and teacher to a drug and alcohol-fueled party where he plans to murder them all.
