Two members of Rabbi Aviva Cohen's congregation are found dead, victims, they say, of accidental carbon monoxide poisoning. But Aviva has info that leads her to doubt it was an accident. Then, police suspect Aviva's niece's partner in a hit-and-run death. Aviva is sure the woman is innocent, even though her SUV has a body-sized dent on the hood. As she looks into the two disparate cases, Aviva discovers they may be connected, and her amateur sleuthing...