A string of overdoses in Rochester, New York's bedroom suburbs has Detective Louis Baker and her partner Robert Hicks wondering if the only survivor, a wealthy pharmaceutical manufacturer, is the mastermind behind the tragedies, or the man who can lead them to the devious poisoner. When botched DNA evidence poisons a rape and murder trial Kristine Rocha, assistant district attorney is struck with a personal crisis. Kristine must navigate the investigation to keep her job, while struggling to hold things in her family together.