Divorce is unpleasant and messy. Murder is simple. Cathy Nelson is a young, successful career woman and mother. When her marriage sours, she turns to a time-honored arsenic. Toni Ambrose is a young, but relentless detective, assigned to the murder case. Her instincts tell her that Cathy is guilty and she defies her superiors to doggedly build a case against this black widow disguised as a grieving wife.