One day, Risa Gallagher gets home and finds her husband murdered. Everybody thinks she did it and she gets sentenced to lifetime in jail. She manages to escape and in order to survive, she has to find out who the real killer is without getting caught by the police. But which of her friends can she trust?

A small-time, down-on-his-luck private eye tries to win back his estranged wife and their young disabled son when he takes on a seemingly easy case that sours.

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.