The initial investigation into the death of a research scientist leads to an animal-rights group until evidence surfaces that her husband's affair with a coworker may point to a possible motive for the murder. When the husband is acquitted, the investigation turns to the individual who provided evidence of the affair.

When a Romanian immigrant kills, his lawyer announces he will plead his client "not guilty due to cultural insanity" claiming the man had been conditioned to violence in his homeland.