A San Francisco detective goes wild when he discovers his partner dead and the presumed culprit standing over him. After beating the man to death, he comes to his senses and realizes that he has to get rid of the body of the beaten man. Dumping the man in the river, he returns to his partner's body and calls in the death. He is then given a new partner and is assigned to investigate the death of a man just pulled from the river causing all the expected problems. However, the investigation does lead to police corruption and his own partner's involvement in drug running.

Five friends welcome real life vampirism into their lives. They cut their own wrists and let their friends drink from them. Rod, the leader, and a very psychotic young guy, ends up killing Heathers parents and stealing their car to go on a crazy raod trip. His behaviour begins to frighten his friends, though they went along with it at first. All end up in prison except Heather.

An earthquake releases a strain of mutant cockroaches with the ability to start fires, which proceed to cause destructive chaos in a small town. The studies carried out by scientist James Parmiter, however, reveal an intent with much more far-reaching consequences.