John Puller Sr has received a letter from his older sister.
Now John Puller Jr has to go and see his aunt that he hasn't get in touch as an adult.
Something was wrong and that's why she sent a letter to her brother asking her nephew for help.
And then he was too late.
John Puller injected himself into the investigation. She was family after all.
The set up is okay. Some new characters on the scene as the location moved to Florida.