A freak accident forces a New Yorker to return to Louisiana and confront her Cajun past

There is nothing more dangerous than a spooked rhinoceros. It is just before lunchtime when Huey, the prized black rhino of Broussard, Louisiana, erupts from his enclosure, trampling a zoo employee on his way to a rampage in the Cajun countryside. The incident makes the rounds online as News of the Weird, and Katherine Fontenot is laughing along with the rest of her New York office when she notices the name of the hurt zookeeper: Karen-Anne Castille--her sister.

Fifty years...